Email
Chat with tutors
Login
Ask Questions, Get Answers
Menu
X
home
ask
tuition
questions
practice
papers
mobile
tutors
pricing
X
Recent questions tagged boardexam
Questions
Find the general Solution of the differential equation $\large\frac{dy}{dx}=\frac{y^2}{xy-x^2}$
class12
cbse
boardexam
2015
set-1
sec-c
math
modelpaper
asked
Mar 23, 2015
by
meena.p
1
answer
Find the point on the curve $y= \large\frac{x}{1+x^2} $, Where the tangent to the curve has the greatest slope.
class12
cbse
boardexam
2015
set-1
sec-c
math
modelpaper
asked
Mar 23, 2015
by
meena.p
1
answer
Using integration , find the area bounded by the curve $y= |x-1|$ and $y= 3-|x|$
class12
cbse
boardexam
2015
set-1
sec-c
math
modelpaper
asked
Mar 23, 2015
by
meena.p
1
answer
Show that the relation R in the set $A= [1,2,3,4,5]$ given by $R= [(a,b):|a-b|] $ is divisible by 2. It is an equivalence relation . Show that all the elements of $[1,3,5]$ are related to each other and all the elements of $[2,4]$ are related to each other , but no element of ${1,3,5}$ is related to any element of $[2,4]$
class12
cbse
boardexam
2015
set-1
sec-c
math
modelpaper
asked
Mar 22, 2015
by
meena.p
1
answer
From a set of 100 cards numbered 1 to 100 , one card is drawn at random. Find the probability that the number on the card is divisible by 6 or 8, but not by 24.
class12
cbse
boardexam
2015
set-1
sec-b
math
modelpaper
asked
Mar 22, 2015
by
meena.p
1
answer
Find the vector and cartesian equations of the plane which bisects the line joining the points $(3,-2,1) $ and $(1,4,-3)$ at right angles.
class12
cbse
boardexam
2015
set-1
sec-b
math
modelpaper
asked
Mar 22, 2015
by
meena.p
1
answer
Let $P(3,2,6)$ be a point in the space and Q be a point on the line $ \overrightarrow{r} =(\hat i - \hat j +2 \hat k) +\mu (-3 \hat i +\hat j +5 \hat k ), $ then find the value of $\mu $ for ehich the vector $\overrightarrow{PQ}$ is parallel to the plane $x -4y+3z=1$
class12
cbse
boardexam
2015
set-1
sec-b
math
modelpaper
asked
Mar 22, 2015
by
meena.p
1
answer
Show that the lines $\large\frac{x-1}{3} =\frac{y-1}{-1}$$,z+1=0$ and $\large\frac{x-4}{2} =\frac{z+1}{3}$$,y=0$ intersect each other . Also find their point of intersection .
class12
cbse
boardexam
2015
set-1
sec-b
math
modelpaper
asked
Mar 22, 2015
by
meena.p
1
answer
Evaluate : $\lim \int \limits _0^{\pi} \large\frac{x \tan x }{\sec x . \tan x}$$dx$
class12
cbse
boardexam
2015
set-1
sec-b
math
modelpaper
asked
Mar 22, 2015
by
meena.p
1
answer
Find $\int \limits_0^2 (x^2+e^{2x+1)}dx$ as the limit of a sum
class12
cbse
boardexam
2015
set-1
sec-b
math
modelpaper
asked
Mar 22, 2015
by
meena.p
1
answer
Evaluate : $\int x. \sin ^{-1}x dx$
class12
cbse
boardexam
2015
set-1
sec-b
math
modelpaper
asked
Mar 20, 2015
by
meena.p
1
answer
Find : $\int \large\frac{1- \cos x}{\cos x (1+\cos x)}$$dx$
class12
cbse
boardexam
2015
set-1
sec-b
math
modelpaper
asked
Mar 20, 2015
by
meena.p
1
answer
If $y= \sqrt {x+1} -\sqrt {x-1} $, prove that $(x^2-1) \large\frac{d^2y}{dx^2} $$+x\large\frac{dy}{dx} -\frac{1}{4}$$y=0$
class12
cbse
2015
set-1
sec-b
math
boardexam
modelpaper
asked
Mar 20, 2015
by
meena.p
1
answer
If $y=x^{2^{-x^2}}$, find $\large\frac{dy}{dx}$
class12
cbse
2015
set-1
sec-b
math
boardexam
modelpaper
asked
Mar 20, 2015
by
meena.p
1
answer
If function $f(x) =|x-3| +|x-4| $, then show that $f(x)$ is not differentiable at $x=3$ and $x=4$
class12
cbse
boardexam
2015
set-1
sec-b
math
modelpaper
asked
Mar 20, 2015
by
meena.p
1
answer
Find the inverse of matrix $A=\begin{bmatrix} 3 & -1 & 1 \\ -15 & 6 & -5 \\ 5 & -2 & 2 \end{bmatrix}$ and hence show that $A^{-1} .A =I$
class12
cbse
2015
set-1
sec-b
math
boardexam
modelpaper
asked
Mar 19, 2015
by
meena.p
1
answer
If $ X\begin{bmatrix} 1 & 2 & 3 \\4 & 5 & 6 \end{bmatrix}=\begin{bmatrix} -7 & -8 & -9 \\2 & 4 & 6 \end{bmatrix}$, then find the matrix X.
class12
cbse
2015
set-1
sec-b
math
boardexam
modelpaper
asked
Mar 19, 2015
by
meena.p
1
answer
If $ a \neq b \neq c$ and $\begin{vmatrix}a & b & c \\b & c & a \\c & a & b \end{vmatrix}$$=0$ , then using properties of determinants, prove that $a+b+c=0$
class12
cbse
2015
set-1
sec-b
math
boardexam
modelpaper
asked
Mar 19, 2015
by
meena.p
1
answer
If $\tan ^{-1} x+\tan ^{-1}y+\tan ^{-1} z= \large\frac{\pi}{2}$$,x,y,z>0$, then find the value of $xy+yz+zx$
class12
cbse
2015
set-1
sec-b
math
boardexam
modelpaper
asked
Mar 19, 2015
by
meena.p
1
answer
There are 3 families A,B and C. The number of men , women and children in these are as under : Dairy expense of men , women and children are $ Rs 200, Rs .150$ and $Rs 200$ respectively. Only men and women earn and children or not. using matrix multiplication , calculate the dairy expenses of each family. What impact does more children in the family create on the society ?
class12
cbse
2015
set-1
sec-b
math
boardexam
modelpaper
asked
Mar 19, 2015
by
meena.p
1
answer
Write the direction cosines of the normal to the plane $3x+4y+12z=52$
class12
cbse
2015
set-1
sec-a
math
boardexam
modelpaper
asked
Mar 19, 2015
by
meena.p
1
answer
Write the value of $\hat i. (\hat j \times \hat k) + \hat j .( \hat k \times \hat i) +\hat k.(\hat i \times \hat j)$.
class12
cbse
2015
set-1
sec-a
math
boardexam
modelpaper
asked
Mar 19, 2015
by
meena.p
1
answer
Write the projection of vector $2 \hat i +3 \hat j - \hat k$ along the vector $\hat i +\hat j$
class12
cbse
2015
set-1
sec-a
math
boardexam
modelpaper
asked
Mar 19, 2015
by
meena.p
1
answer
Write a differential equation $y= A \cos \alpha x + B \sin \alpha x$ , where A and B are arbitrary constants .
class12
cbse
2015
set-1
sec-a
math
boardexam
modelpaper
asked
Mar 19, 2015
by
meena.p
1
answer
Find the product of the order and degree of the following different equation : $x \bigg(\large\frac{d^2y}{dx^2} \bigg) +\bigg(\large\frac{dy}{dx}\bigg)^2$$+y^2=0$
class12
cbse
2015
set-1
sec-a
math
boardexam
modelpaper
asked
Mar 19, 2015
by
meena.p
1
answer
Write a $ 3\times 3$ skew symmetric matrix
class12
cbse
2015
set-1
summative-2
sec-a
math
boardexam
modelpaper
asked
Mar 19, 2015
by
meena.p
1
answer
Page:
« prev
1
2
3
Home
Ask
Tuition
Questions
Practice
Your payment for
is successful.
Continue
...