Email
Chat with tutors
Login
Ask Questions, Get Answers
Menu
X
home
ask
tuition
questions
practice
papers
mobile
tutors
pricing
X
Recent questions tagged additionalproblem
Questions
The function $f(x)$ is defined as follows : $f(x) = \left\{ \begin{array}{l l} x^2+ax+b & \quad 0 \leq x < 2 \\ 3x+2, & \quad 2 \leq x \leq 4 \\ 2ax+5b & \quad 4 < x \leq 8 \end{array} \right. $ If $f $ is continuous on $[0,8]$ find the values of a and b
cbse
class12
ch5
additionalproblem
q2
asked
May 1, 2014
by
meena.p
0
answers
Let $f(x) = \left\{ \begin{array}{l l} \frac{1-\cos 4x}{x^2}, & \quad x < 0 \\ a, & \quad x = 0 \\ \frac{\sqrt x)}{(\sqrt {16+\sqrt x})-4} & \quad x < 0 \end{array} \right. $ Find $a$ if $f $ is continuous at $x=0$
cbse
class12
ch5
additionalproblem
q1
asked
May 1, 2014
by
meena.p
0
answers
Find the value of $\sin 405^{\large\circ}$
cbse
math
class11
ch3
trigonometric-functions
additionalproblem
sec-a
easy
asked
Apr 22, 2014
by
sreemathi.v
1
answer
Find the value of $cosec(-\large\frac{41\pi}{4})$
sat
trigonometry
cbse
math
class11
ch3
trigonometric-functions
additionalproblem
sec-a
easy
asked
Apr 22, 2014
by
sreemathi.v
1
answer
Find the value of $\sec(-\large\frac{25\pi}{3})$
cbse
math
class11
ch3
trigonometric-functions
additionalproblem
sec-a
easy
asked
Apr 22, 2014
by
sreemathi.v
1
answer
Find the value of $\cot(\large\frac{13\pi}{4})$
cbse
math
class11
ch3
trigonometric-functions
additionalproblem
sec-a
easy
asked
Apr 22, 2014
by
sreemathi.v
1
answer
Find the value of $\tan(\large\frac{-25\pi}{3})$
cbse
math
class11
ch3
trigonometric-functions
additionalproblem
sec-a
medium
asked
Apr 22, 2014
by
sreemathi.v
1
answer
Find the value of $\cos \large\frac{17\pi}{2}$
cbse
math
class11
ch3
trigonometric-functions
additionalproblem
sec-a
easy
asked
Apr 22, 2014
by
sreemathi.v
1
answer
Find the value of $\sin \large\frac{31\pi}{3}$
cbse
math
class11
ch3
trigonometric-functions
additionalproblem
sec-a
easy
asked
Apr 22, 2014
by
sreemathi.v
1
answer
If $\sec x=-2$ and $\pi < x < \large\frac{3\pi}{2}$,find the value of all other five trigonometric functions.
cbse
math
class11
ch3
trigonometric-functions
additionalproblem
sec-c
difficult
asked
Apr 22, 2014
by
sreemathi.v
1
answer
If $\cos x=-\large\frac{\sqrt{15}}{4}$ and $\large\frac{\pi}{2}$$ \lt x $$ \lt \pi$ ,find the value of $\sin x$
cbse
math
class11
ch3
trigonometric-functions
additionalproblem
sec-b
medium
asked
Apr 22, 2014
by
sreemathi.v
1
answer
If $\sin x=-\large\frac{2\sqrt 6}{5}$ and $x$ lies in quadrant III,find the values of $\cos x$ and $\cot x$
cbse
math
class11
ch3
trigonometric-functions
additionalproblem
sec-c
difficult
asked
Apr 22, 2014
by
sreemathi.v
1
answer
Which of the following are tangents to the circle $x^2+y^2-4x+8y+12=0$ from $(5-3)$?
cl37474
cbse
class11
math
conic-sections
circle
additionalproblem
sec-c
easy
ch11
asked
Apr 9, 2014
by
balaji.thirumalai
1
answer
Which of the following are tangents to the circle $x^2+y^2-6x-2y-15=0$ which are parallel to the line $3x+4y+20=0$?
cbse
class11
math
conic-sections
circle
additionalproblem
sec-b
easy
ch11
asked
Apr 9, 2014
by
balaji.thirumalai
1
answer
Given the circle $x^2+y^2+2x-4y+1=0$, find the length of a tangent from the point $(3,0)$ to the circle.
cl37466
cbse
class11
math
conic-sections
circle
additionalproblem
sec-b
easy
asked
Apr 9, 2014
by
balaji.thirumalai
1
answer
Given the circle $x^2+y^2-4x+6y-12=0$, find the tangent at the point $(5,-7)$ on the circle.
cbse
class11
math
conic-sections
circle
additionalproblem
sec-a
easy
asked
Apr 9, 2014
by
balaji.thirumalai
1
answer
A circle of radius $\sqrt 20$ has the point $(-1,3)$. Its centre is on the line $x=-y$. Which of the following equations satisfies these conditions?
cbse
class11
math
conic-sections
circle
additionalproblem
sec-c
easy
ch11
asked
Apr 9, 2014
by
balaji.thirumalai
1
answer
Given that the furthest the earth gets from the sun is approximately 94.56 million miles, and the eccentricity of earth's orbit is approximately 0.017, what is the closest approach of the earth to the sun.
conic-sections
cbse
math
class11
ellipse
additionalproblem
sec-a
medium
ch11
jeemain
unit11
coordinate-geometry
asked
Apr 8, 2014
by
balaji.thirumalai
1
answer
A satellite dish has a diameter of 8 feet. The depth of the dish is 1 foot at the center of the dish. Where should the receiver be placed?
conic-sections
cbse
math
class11
parabola
additionalproblem
sec-a
medium
ch11
asked
Apr 8, 2014
by
balaji.thirumalai
1
answer
The number of all possible matrices of order 3 x 3 with each entry 0 or 1 is?
cl1434
cbse
class12
ch3
sec-a
easy
additionalproblem
math
asked
Feb 18, 2014
by
balaji.thirumalai
1
answer
Lets say you enter a Chess tournament. The probability of winning a game against half the players is 0.3, the probability of winning against one quarter of them is 0.4 and the probability of winning against the remaining one quarter is 0.5. Let's say you play against a randomly chosen opponent. What is your probability of winning?
jeemain
math
probability
cbse
easy
sec-a
class12
multiplication theorem
ch13
additionalproblem
mock
asked
Feb 12, 2014
by
balaji.thirumalai
1
answer
A tow truck drags a stationary car along the road. The chain makes an angle of 30 degrees with the road and the tension in the chain is 1500 N. How much work is done (in Joules) by the truck in pulling the car 1 km (approximate answer, rounded off)?
cbse
class12
ch10
additionalproblem
medium
sec-a
math
asked
Feb 11, 2014
by
balaji.thirumalai
1
answer
If $ \sqrt{1-y^2}-\sqrt{1-x^2}=a(x-y),\normalsize$ then find $\large\frac{dy}{dx}$
cbse
class12
additionalproblem
kvquestionbank2012
ch5
q45
p14
sec-b
difficult
math
jeemain
limits-continuity-and-differentiability
asked
Feb 5, 2014
by
rvidyagovindarajan_1
1
answer
Find the area bounded by curves $x^2 + (y-1)^2 = 1$ and $x^2 + y^2 = 1$.
class12
cbse
additionalproblem
ch8
sec-c
medium
math
asked
Feb 4, 2014
by
rvidyagovindarajan_1
1
answer
Solve the differential equation $\large\frac{dy}{dx}$$=cos(x+y)+sin(x+y)$ and find the particular solution if $y(0)=0$
class12
cbse
medium
sec-c
ch9
additionalproblem
math
asked
Feb 4, 2014
by
rvidyagovindarajan_1
1
answer
If the lines $\overrightarrow r=(\hat i+2\hat j+3\hat k)+\lambda(3\hat i+2k\hat j-2\hat k)$ and $\overrightarrow r=(\hat i+2\hat j+3\hat k)+\mu(k\hat i+\hat j+5\hat k)$ are $\perp$ to one another then find the equation of the plane containing them.
class12
cbse
medium
sec-c
ch11
additionalproblem
math
asked
Feb 4, 2014
by
rvidyagovindarajan_1
1
answer
If the lines $\large\frac{2x-1} {-3} = \frac{y-2}{2k} = \frac{z-3}{2}$ and $\large\frac{x-1}{3k} = \frac{1-2y}{1} = \frac{z-6}{-5}$ are perpendicular, find the value of k.
class12
cbse
easy
sec-a
ch11
additionalproblem
math
asked
Feb 3, 2014
by
rvidyagovindarajan_1
1
answer
Find $|\overrightarrow x|$, if for a unit vector $\overrightarrow a,\:(\overrightarrow x-\overrightarrow a).(\overrightarrow x+\overrightarrow a)=15$
cbse
class12
additionalproblem
ch10
sec-a
easy
vector-algebra
math
asked
Feb 3, 2014
by
rvidyagovindarajan_1
1
answer
If the sum of two unit vector is a unit vector, then what is the angle between them?
cbse
class12
additionalproblem
ch10
sec-a
medium
vector-algebra
math
asked
Feb 3, 2014
by
rvidyagovindarajan_1
1
answer
A bag contains 4 balls. Two balls are drawn at random and are found to be white. What is the probability that the bag has 3 white balls.
cbse
class12
ch13
additionalproblem
sec-c
difficult
math
jeemain
probability
asked
Jan 31, 2014
by
rvidyagovindarajan_1
1
answer
By using the properties of definite integrals,evaluate the integral $ \int\limits_{-10}^{10}\mid x+2 \mid\;dx$
cbse
class12
additionalproblem
ch7
sec-b
medium
math
asked
Jan 31, 2014
by
balaji
1
answer
If $x,y,z$ are all distinct and $\begin{vmatrix}x&x^2&1+x^3\\y&y^2&1+y^3\\z&z^2&1+z^3\end{vmatrix}=0$ then the value of $\;\large\frac{-1}{xyz}$ is
cbse
class12
additionalproblem
ch4
sec-b
medium
math
asked
Jan 30, 2014
by
balaji.thirumalai
1
answer
If $A= \; \begin{bmatrix} 1& 0 &0 \\ 2 & 3 & 4\\ 0&1 & 2 \end{bmatrix}$, then the value of $A.(Adj\:A)$ is?
cbse
class12
ch4
additionalproblem
easy
sec-a
math
asked
Jan 30, 2014
by
rvidyagovindarajan_1
1
answer
If $A=\begin{bmatrix}2 & 3\\5 & -2\end{bmatrix}$ then express $A^{-1}$ in terms of $A$
cbse
class12
additionalproblem
ch3
sec-a
math
asked
Jan 30, 2014
by
rvidyagovindarajan_1
1
answer
Suppose you roll 5 dice and sum up the highest 3 numbers. What is the probability that the sum is 18?
cbse
class12
ch13
additionalproblem
sec-b
difficult
math
jeemain
probability
asked
Jan 30, 2014
by
balaji
1
answer
What is the angle between following planes $2x-3y+4z=1$ and $-x+y=4$?
cbse
class12
additionalproblem
ch10
sec-a
easy
math
asked
Jan 30, 2014
by
balaji
1
answer
What is the area of the parallelogram having diagonals $ 3\bar{i}+\bar{j}-2\bar{k}\;and\;\bar{i}-3\bar{j}+4\bar{k}$?
cbse
class12
additionalproblem
ch10
sec-a
medium
math
asked
Jan 30, 2014
by
balaji
1
answer
If $e^{x+y}=xy,$ what is $\large\frac{dy}{dx}$?
cbse
class12
additionalproblem
ch5
sec-a
medium
math
jeemain
limits-continuity-and-differentiability
differentiability
asked
Jan 29, 2014
by
balaji
1
answer
Given $A=\begin{bmatrix} 3 & -3 & 4 \\2 & -3 & 4 \\0 & -1 & 1 \end{bmatrix}$ How can we express $A^{-1}$ in terms of A?
cbse
class12
additionalproblem
sec-a
matrices-and-determinants
jeemain
ch3
math
difficult
asked
Jan 29, 2014
by
balaji
1
answer
Let $(f:R \to R)$ be defined as $(f(x)=2x+3.)$Find the function $(g(x):R \to R)$ such that $(g\;o\;f = f\;o\;g = I_R.)$
cbse
class12
additionalproblem
ch1
misc
sec-b
easy
math
jeemain
sets-relations-and-functions
relations-and-functions
asked
Jan 29, 2014
by
balaji
1
answer
If $A=\begin{bmatrix}2 & sec^{-1}x\\-1 & cosec^{-1} x \end{bmatrix}$ is a singular matrix then find the value of $x$
cbse
class12
matrices
additionalproblem
medium
sec-a
ch3
math
jeemain
matrices-and-determinants
asked
Jan 28, 2014
by
rvidyagovindarajan_1
1
answer
If $\ast$ is a binary operation on the set $(\{0, 1, 2, 3, 4, 5\})$ defined as \[ a \ast b = \left\{ \begin{array} {1 1} a+b, & \quad \text{ if a$+$b $<$ 6} \\ a+b-6, & \quad \text{ if a+b $\geq$ 6} \\ \end{array} \right. \] then draw the composition table for the operation and find the identity element and inverse of $4$ if exists.
ch1
cbse
class12
sec-b
medium
additionalproblem
math
asked
Jan 27, 2014
by
rvidyagovindarajan_1
1
answer
Integrate the function $\large \frac {\log^{99} x}{x}$
cbse
class12
additionalproblem
sec-a
ch7
easy
math
asked
Dec 24, 2013
by
balaji.thirumalai
1
answer
Find the equation of the tangent and normal to the curve $ \;y=\large\frac{1+\sin x}{\cos x}$ at $\;x=\large\frac{\pi}{4}$
cbse
class12
additionalproblem
ch6
sec-b
easy
math
asked
Dec 23, 2013
by
balaji.thirumalai
1
answer
The cost of construction for an open tank is Rs. 200 per sq. unit for the base, and the cost for doing the walls is Rs. 150 per sq. unit. An open tank is to be constructed with rectangular base of height 2 units and volume of 8 cubic units.What is the cost of the least expensive open tank given these constraints?
cbse
class12
additionalproblem
ch6
sec-c
easy
math
asked
Dec 23, 2013
by
balaji.thirumalai
1
answer
Find the area enclosed by the curve $y^2+1=x,x\leq 2$ and the line $x=2$.
class12
cbse
additionalproblem
ch8
sec-b
easy
math
jeemain
integral-calculus
aims-12-math
asked
Dec 22, 2013
by
balaji.thirumalai
1
answer
If $( x = \sqrt {a^{\large sin^{-1}t}}, \: y = \sqrt {a^{\large cos^{-1}t}} ),$ what is the value of $\frac {\large dy}{\large dx}$
cbse
class12
additionalproblem
ch5
sec-b
medium
math
jeemain
limits-continuity-and-differentiability
differentiability
asked
Dec 22, 2013
by
balaji.thirumalai
1
answer
Evaluate: $ \begin{vmatrix} (x-2)^2 & (x-1)^2 & x^2 \\ (x-1)^2 & x^2 & (x+1)^2 \\ x^2 & (x+1)^2 & (x+2)^2 \end{vmatrix}$
class12
cbse
easy
additionalproblem
ch4
sec-b
math
asked
Dec 22, 2013
by
balaji.thirumalai
1
answer
Evaluate $\large \int \frac{2\sin 2 x -\cos x }{6-\cos^2x -4\sin x }$$dx$.
cbse
class12
additionalproblem
integral-calculus
sec-b
medium
ch7
math
asked
Dec 22, 2013
by
balaji.thirumalai
1
answer
If the radius of a sphere is measured as $70$ cm with an error of $0.03$cm, then find the approximate error in calculating its surface area
cbse
class12
easy
sec-a
ch6
limits-continuity-and-differentiability
additionalproblem
math
asked
Dec 22, 2013
by
balaji.thirumalai
1
answer
Page:
« prev
1
...
3
4
5
6
7
8
9
...
18
next »
Home
Ask
Tuition
Questions
Practice
Your payment for
is successful.
Continue
...