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Recent questions tagged q41
Questions
If $\overrightarrow{a},\overrightarrow{b},\overrightarrow{c} $are non-coplanar and $ [\overrightarrow{a}\times\overrightarrow{b},\overrightarrow{b}\times\overrightarrow{c},\overrightarrow{c}\times\overrightarrow{a}]=[\overrightarrow{a}+\overrightarrow{b},\overrightarrow{b}+\overrightarrow{c},\overrightarrow{c}+\overrightarrow{a}]$ then$[\overrightarrow{a},\overrightarrow{b},\overrightarrow{c}]$ is
tnstate
class12
bookproblem
p268
objective
q41
asked
May 10, 2013
by
poojasapani_1
1
answer
If $ 2P(A)=P(B)=5/13\;and(A/B)=2/5\;find\;P(A\cap B)$
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q41
p43
math
asked
Feb 5, 2013
by
meena.p
0
answers
Evaluate:\[\int \frac{1+\tan x}{x+log \sec x} dx\]
cbse
class12
additionalproblem
kvquestionbank2012
ch7
q41
p26
math
asked
Feb 2, 2013
by
meena.p
0
answers
Show that the height of a cylinder of maximum volume that can be inscribed in a sphere of radius R is $ \Large\frac{2R}{\sqrt 3}$
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q41
p19
math
asked
Jan 29, 2013
by
meena.p
0
answers
If $ y^{ \cos x}+(\tan^{-1}x)^y=1,find \Large\frac{dy}{dx}$
cbse
class12
additionalproblem
kvquestionbank2012
ch5
q41
p14
difficult
math
sec-b
asked
Jan 28, 2013
by
meena.p
1
answer
If x, y and z all positive, are $p^{th},q^{th}and\;r^{th}$ terms of a G.P. Prove that $\begin{vmatrix} logx & p & 1 \\ logy & q & 1 \\ logz & r & 1 \end{vmatrix}=0$
cbse
class12
additionalproblem
kvquestionbank2012
ch3
q41
p9
math
sec-b
asked
Jan 24, 2013
by
meena.p
0
answers
Solution of the differential equation $\tan y\sec^2x dx+\tan x\sec^2y dy=0$ is \[(A)\;\tan x+\tan y=c \quad (B)\;\tan x-\tan y=c \quad(C)\;\frac{\tan x}{\tan y}=c \quad (D\;\tan x.tan y=c\]
cbse
class12
ch9
sec-a
q41
p196
objective
exemplar
medium
math
asked
Jan 18, 2013
by
sreemathi.v
1
answer
True-or-False: If $\mid\overrightarrow{ a}\mid=\mid\overrightarrow {b}\mid$,then necessarily it implies $\overrightarrow{ a}=\overrightarrow {b}.$
cbse
class12
ch10
q41
p219
exemplar
easy
sec-a
math
asked
Jan 17, 2013
by
sreemathi.v
1
answer
Evaluate the following:$\int\limits_{\Large \frac{\pi}{3}}^{\Large \frac{\pi}{2}}\large\frac{\sqrt{1+\cos x}}{(1-\cos x)^{\large\frac{5}{2}}}$
cbse
class12
ch7
q41
p166
exemplar
sec-b
difficult
math
asked
Jan 14, 2013
by
sreemathi.v
1
answer
The equation of tangent to the curve $y(1+x^2)=2-x,$where it crosses x-axis is \[\begin{array}{1 1}(A)\;x+5y=2 & (B)\;x-5y=2\\(C)\;5x-y=2 & (D)\;5x+y=2\end{array}\]
cbse
class12
ch6
q41
p139
objective
exemplar
medium
sec-a
math
asked
Jan 11, 2013
by
sreemathi.v
1
answer
Three bags contain a number of red and white balls as follows:
cbse
class12
ch13
q41
p276
exemplar
sec-c
difficult
math
asked
Jan 9, 2013
by
sreemathi.v
1
answer
The feasible region for an LPP is always a __________ polygon.
cbse
class12
ch12
q41
p257
fitb
exemplar
sec-a
easy
math
asked
Jan 8, 2013
by
sreemathi.v
1
answer
The cartesian equation of the plane $\overrightarrow{r}.(\hat i\;+\hat j-\hat k)\;=2$ is ____________.
cbse
class12
ch11
q41
p239
fitb
exemplar
easy
sec-a
math
asked
Jan 6, 2013
by
sreemathi.v
1
answer
Differentiate the following w.r.t $x$ : $\sec^{-1}\bigg(\Large \frac{1}{4x^3-3x}\bigg),\normalsize 0 < x <\Large \frac{1}{\sqrt 2}$
cbse
class12
ch5
q41
p110
short-answer
exemplar
sec-a
medium
math
asked
Dec 31, 2012
by
sreemathi.v
1
answer
If $\cos 2\theta=0$, then ${\begin{vmatrix}0 & \cos\theta & \sin\theta\\\cos\theta & \sin\theta & 0\\\sin\theta & 0 & \cos\theta\end{vmatrix}}^2$ =
cbse
class12
ch4
sec-a
q41
p83
fitb
exemplar
medium
math
asked
Dec 28, 2012
by
sreemathi.v
1
answer
Find the values of a,b,c and d,if $3\begin{bmatrix}a & b\\c & d\end{bmatrix}=\begin{bmatrix}a & 6\\-1 & 2d\end{bmatrix}+\begin{bmatrix}4 & a+b\\c+d & 3\end{bmatrix}$
cbse
class12
ch3
q41
p58
short-answer
exemplar
sec-b
easy
math
asked
Dec 23, 2012
by
sreemathi.v
1
answer
The set of values of $\sec^{-1}\big(\frac{1}{2}\big)$ is ______________.
cbse
class12
ch2
q41
p40
fitb
exemplar
easy
sec-a
math
asked
Dec 21, 2012
by
sreemathi.v
1
answer
Let $f:A\rightarrow B\;and\;g:B\rightarrow C$ be the bijective functions.Then $(g\;o\;f)^{-1}$ is
cbse
class12
ch1
q41
p15
objective
exemplar
math
sec-a
asked
Dec 19, 2012
by
sreemathi.v
1
answer
Choose the correct answers in $\int\frac{dx}{e^x+e^{-x}}$ is equal to
cbse
class12
bookproblem
ch7
misc
q41
p353
sec-a
easy
math
asked
Dec 2, 2012
by
sreemathi.v
1
answer
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