Email
Chat with tutors
Login
Ask Questions, Get Answers
Menu
X
home
ask
tuition
questions
practice
papers
mobile
tutors
pricing
X
Recent questions tagged q4
Questions
Differentiate the following function: $\tan^{-1} \bigg( \large \frac{\cos x}{1+\sin x} \bigg)$
cbse
class12
ch5
additionalproblem
q4
q4-2
asked
May 1, 2014
by
meena.p
0
answers
Differentiate the following function: $ \tan ^{-1}( \sqrt{1+x^2}+x)$
cbse
class12
ch5
additionalproblem
q4
q4-1
asked
May 1, 2014
by
meena.p
0
answers
Prove the following by using the principle of mathematical induction for all $ n \in N $ \[\] $1.2.3 + 2.3.4+...+n(n+1)(n+2)= \large\frac{n(n+1)(n+2)(n+3)}{4}$
cbse
class11
ch4
mathematical-induction
bookproblem
sec3
exercise-4.1
q4
asked
Apr 29, 2014
by
thanvigandhi_1
1
answer
If $\cos(\alpha+\beta)=\large\frac{4}{5}$ and $\sin (\alpha-\beta)=\large\frac{5}{13}$ where $\alpha$ lies between $0$ and $\large\frac{\pi}{4}$,find the value of $\tan 2\alpha$
cbse
math
class11
ch3
trigonometric-functions
exemplar
q4
sec-c
difficult
asked
Apr 18, 2014
by
sreemathi.v
1
answer
Prove that $(\cos x-\cos y)^2+(\sin x-\sin y)^2=4\sin^2\large\frac{x-y}{2}$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
misc
q4
sec-b
medium
asked
Apr 18, 2014
by
sreemathi.v
1
answer
Find the principal and general solution for the equation $cosec x=-2$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-4
q4
sec-c
difficult
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove : $2\sin ^2\large\frac{3\pi}{4}$$+2\cos^2\large\frac{\pi}{4}$$+2\sec^2\large\frac{\pi}{3}$$=10$
sat
trigonometry
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q4
sec-b
medium
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Find the values of other five trignometric function $\sec x=\large\frac{13}{5}$,$x$ lies in the fourth quadrant
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-2
q4
sec-b
medium
asked
Apr 16, 2014
by
sreemathi.v
1
answer
Find the degree measures of the angle subtended at the centre of a circle of radius 100cm by an arc of length 22cm (use $\pi=\large\frac{22}{7})$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-1
q4
sec-b
medium
asked
Apr 16, 2014
by
sreemathi.v
1
answer
Find the derivative of the following functions ( it is to be understood that a, b, c, d, p, q, r and s are fixed non-zero constants and m and n are integers ) $(ax+b)(cx+d)^2$
math
cbse
class11
ch13
limits-and-derivatives
bookproblem
misc
p317-318
q4
asked
Apr 12, 2014
by
thanvigandhi_1
1
answer
Write the general term in the expansion of $ (x^2 - yx)^{12},\; x\neq 0$
cl37674
binomial-theorem
cbse
class11
math
ch8
exercise8-2
sec3
general-and-middle-terms
q4
sec-a
easy
asked
Apr 10, 2014
by
balaji.thirumalai
1
answer
Expand the expression: $\large(\frac{x}{3} + \frac{1}{x})$$^5$
cl37493
easy
sec-a
cl37489
binomial-theorem
cbse
class11
math
ch8
exercise8-1
sec2
binomial-theorem-for-positive-integral-indices
q4
asked
Apr 9, 2014
by
balaji.thirumalai
1
answer
An arch is in the form of a semi ellipse. It is 8m wide and 2 m high at the centre. Find the height of the arch at a point 1.5 m from one end.
cbse
class11
math
conic-sections
hyperbola
exercise11-misc
misc
sec-b
q4
medium
asked
Apr 8, 2014
by
balaji.thirumalai
1
answer
Find the coordinates of the foci and the vertices, the eccentricity and the length of the latus rectum of the hyperbola $\; 16x^2-9y^2=576$
cl37053
cbse
class11
math
conic-sections
hyperbola
exercise11-4
sec4
easy
sec-a
q4
asked
Apr 8, 2014
by
balaji.thirumalai
1
answer
The current voltage relation of diode is given by $I= (e^{1000 V/T } -1)mA$, where the applied voltage V is in volts and the temperature $T$ is in degree kelvin. If a students makes an error measuring $\pm 0.01\;V$ while measuring the current of $5\;mA$ at $300\;K$, what will be error in the value of current in $mA?$
jeemain
jeemain-2014
physics
q4
medium
asked
Apr 7, 2014
by
meena.p
1
answer
Evaluate the following limits $ \lim\limits_{x \to 4} \large\frac{4x+3}{x-2}$
math
cbse
class11
ch13
limits-and-derivatives
bookproblem
limits
exercise13-1
p301-303
q4
asked
Apr 3, 2014
by
thanvigandhi_1
1
answer
Find the coordinates of the foci, the vertices, the length of the major axis, the minor axis, the eccentricity and the length of the latus rectum of the ellipse $\large\frac{x^2}{25}$$+\large\frac{y^2}{100}$$=1$
cl35306
cl35304
math
cbse
class11
ch11
exercise11-3
conic-sections
ellipse
q4
easy
sec-b
asked
Apr 1, 2014
by
balaji.thirumalai
1
answer
Find the co-ordinates of the focus, axis of the parabola, equations of the directrix and length of latus rectum of the parabola $x^2=-16y$
cl35280
cl35278
cl35276
cbse
class11
ch11
exercise11-2
parabola
conic-sections
easy
sec-a
q4
math
asked
Apr 1, 2014
by
balaji.thirumalai
1
answer
Find the equation of the circle with centre $(1,1)$ and radius $\sqrt 2$
cl35201
cl35192
cl35190
cbse
class11
ch11
exercise11-1
circle
conic-sections
q4
easy
sec-a
math
asked
Apr 1, 2014
by
balaji.thirumalai
1
answer
Find the sum of all the numbers between $200$ and $400$ which are divisible by $7$.
cbse
class11
ch9
bookproblem
misc
medium
sec-b
q4
math
sequences-and-series
asked
Mar 28, 2014
by
rvidyagovindarajan_1
1
answer
The amino acids are the end products of the digestion of
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
easy
q4
asked
Mar 27, 2014
by
thanvigandhi_1
1
answer
Which of the following is an ambident nucleophile ?
jeemain
aipmt
chemistry
nitrogen
organic-chemistry
cbse
class12
unit13
q4
easy
asked
Mar 21, 2014
by
thanvigandhi_1
1
answer
Five cards are drawn successively with replacement from a well-shuffled deck of 52 cards. What is the probability that (i) all the five cards are spades? (ii) only 3 cards are spades? (iii) none is a spade?
cl593
cbse
class12
bookproblem
ch13
sec5
p577
q4
sec-b
easy
math
asked
Mar 20, 2014
by
balaji.thirumalai
1
answer
If $A$ is a $3\times 3$ matrix, and $ |A|\neq0$ and $|3A|=k.|A|,$ then write the value of $k$
cbse
modelpaper-2014
65-2-3
sec-a
q4
asked
Mar 20, 2014
by
rvidyagovindarajan_1
1
answer
Bi semicopper is
jeemain
cbse
chemistry
class12
unit6
general-principals-and-processes-of-isolation-of-metals
q4
medium
asked
Mar 17, 2014
by
meena.p
1
answer
Calculate the standard enthalpy change for a reaction: \[\] $CO_2\: (g) + H_2\: (g) \rightarrow CO\: (g) + H_2O\: (g)$ given that $ \Delta H_f^o\: for\: CO_2\: (g), CO\: (g)\: and \: H_2O\: (g)\: as\: -393.5, -110.5\: and\: -241.8 \: kJ/mol$ respectively.
jeemain
physics
thermodynamics
cbse
class11
class12
q4
easy
asked
Mar 13, 2014
by
thanvigandhi_1
1
answer
Find the sum to $n$ terms of the series $\large\frac{1}{1\times 2}+\frac{1}{2\times 3}+\frac{1}{3\times 4}+..........$
cbse
class11
ch9
bookproblem
difficult
exercise9-4
sec-c
q4
math
sequences-and-series
asked
Mar 10, 2014
by
rvidyagovindarajan_1
1
answer
The S In BuNa –S refers to
jeemain
aipmt
chemistry
cbse
unit5
class12
organic-chemistry
polymers
q4
easy
asked
Mar 5, 2014
by
thanvigandhi_1
1
answer
The number of resonating structures of below is
jeemain
chemistry
unit13
class12
organic-chemistry
nitrogen
amines
q4
easy
asked
Feb 27, 2014
by
sreemathi.v
1
answer
The $4^{th}$ term of a G.P. is square of its second term, and the $1^{st}$ term is $-3$. Find its $7^{th}$ term.
cbse
class11
ch9
bookproblem
exercise9-3
sec-a
easy
q4
math
sequences-and-series
asked
Feb 25, 2014
by
rvidyagovindarajan_1
1
answer
How many terms of the A.P. $-6,-\large\frac{11}{2}$$, -5........$ are needed to give the sum $-25$
cbse
class11
ch9
bookproblem
exercise9-2
medium
q4
sec-b
math
sequences-and-series
asked
Feb 20, 2014
by
rvidyagovindarajan_1
1
answer
Isomers which can be inter converted through rotation around a single bond are :
jeemain
chemistry
class11
organic-chemistry
q4
easy
basic-organic-chemistry
ch12
asked
Feb 20, 2014
by
meena.p
1
answer
In the Cannizzaro reaction given : $2C_6H_5-CHO\quad \underrightarrow {OH^-}\quad C_6H_5-CH_2OH +C_6H_5COO^-$ the slowest step is
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q4
easy
asked
Feb 18, 2014
by
sreemathi.v
1
answer
Find the first 5 terms of the series whose general term is given by $t_n=\large\frac{2n-3}{6}$
cbse
class11
ch9
bookproblem
exercise9-1
sec-a
q4
easy
math
sequences-and-series
asked
Feb 17, 2014
by
rvidyagovindarajan_1
1
answer
Calculate the weight of $CH_4$ in a 9 litre cylinder at 16 atm and $27^{\large\circ}$ (R = 0.08 litre atm $K^{-1}$)
jeemain
chemistry
physical-chemistry
class11
unit5
states-of-matter
ideal-gas-equation
easy
q4
asked
Feb 11, 2014
by
sharmaaparna1
1
answer
A line passes through the points $A(1,2)$ and $B(4,+2)$.Find the slope of the line parallel to AB ?
jeemain
math
class11
coordinate-geometry
straight-lines
slope-of-a-line
ch10
q4
easy
asked
Feb 3, 2014
by
sreemathi.v
1
answer
If $x^2+y^2=t-\large\frac{1}{t} ,$$x^4+y^4 =t^2+\large\frac{1}{t^2}$ then $\large\frac{dy}{dx}$
jeemain
math
class12
ch9
differential-equations
ordinary-differential-equations
q4
medium
asked
Jan 31, 2014
by
meena.p
1
answer
The donor atoms in ethylenediamine
jeemain
chemistry
class12
coordination-compounds
unit9
q4
easy
asked
Jan 31, 2014
by
sreemathi.v
1
answer
Most widely occuring alkali metal is
jeemain
chemistry
class11
s-block-elements
unit10
q4
easy
asked
Jan 27, 2014
by
sreemathi.v
1
answer
In p-n junction diode : the depletion zone has
jeemain
physics
class12
unit19
ch14
q4
easy
semiconductor-electronics
concepts
asked
Jan 27, 2014
by
meena.p
1
answer
For a regular polygon, let r and R be the radii of the inscribed and the circumscribed circles. A false statement among the following is
jeemain
math
mathematical-reasoning
class11
ch14
difficult
statements
q4
asked
Jan 22, 2014
by
thanvigandhi_1
1
answer
Which of the following gas is lightest
jeemain
chemistry
class11
hydrogen
unit9
q4
easy
asked
Jan 22, 2014
by
sreemathi.v
1
answer
Which of the following is most toxic?
jeemain
chemistry
class11
environmental-chemistry
unit14
q4
easy
asked
Jan 20, 2014
by
sreemathi.v
1
answer
The statement "If x is divisible by 8, then it is divisible by 6" is false if x equals
jeemain
math
mathematical-reasoning
class11
ch14
medium
statements
q4
asked
Jan 18, 2014
by
thanvigandhi_1
1
answer
Page:
« prev
1
2
3
4
5
6
7
...
11
next »
Home
Ask
Tuition
Questions
Practice
Your payment for
is successful.
Continue
...