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Recent questions tagged p41
Questions
Find the intervals on which $f$ is increasing or decreasing. $f(x)=\sin^{4}x+\cos^{4}x $ in $ [0 , \large\frac{\pi}{2}]$
tnstate
class12
bookproblem
ch5
sec-1
exercise5-7
p41
q5
q5-6
asked
May 4, 2013
by
poojasapani_1
1
answer
Find the intervals on which $f$ is increasing or decreasing. $f(x)=x+\cos x $ in $[0 , \pi ]$
tnstate
class12
bookproblem
ch5
sec-1
exercise5-7
p41
q5
q5-5
asked
May 4, 2013
by
poojasapani_1
1
answer
Find the intervals on which $f$ is increasing or decreasing. $f(x)=x-2\sin x,[0 , 2\pi ]$
tnstate
class12
bookproblem
ch5
sec-1
exercise5-7
p41
q5
q5-4
asked
May 4, 2013
by
poojasapani_1
1
answer
Find the intervals on which $f$ is increasing or decreasing. $f(x)=x^{3}+x+1$
tnstate
class12
bookproblem
ch5
sec-1
exercise5-7
p41
q5
q5-3
asked
May 4, 2013
by
poojasapani_1
1
answer
Find the intervals on which $f$ is increasing or decreasing. $f(x)= x^{3}-3x+1$
tnstate
class12
bookproblem
ch5
sec-1
exercise5-7
p41
q5
q5-2
modelpaper
mar-2006
mar-2008
asked
May 4, 2013
by
poojasapani_1
1
answer
Find the intervals on which $f$ is increasing or decreasing. $f(x)=20-x-x^{2}$
tnstate
class12
bookproblem
ch5
sec-1
exercise5-7
p41
q5
q5-1
modelpaper
jun-2007
asked
May 4, 2013
by
poojasapani_1
1
answer
Prove that the following functions are not monotonic in the intervals given. $\tan x + \cot x $ on $[0 , \large\frac{\pi}{2}]$
tnstate
class12
bookproblem
ch5
sec-1
exercise5-7
p41
q4
q4-4
asked
May 4, 2013
by
poojasapani_1
1
answer
Prove that the following functions are not monotonic in the intervals given. $x \sin x$ on $[0 , \pi ]$
tnstate
class12
bookproblem
ch5
sec-1
exercise5-7
p41
q4
q4-3
asked
May 4, 2013
by
poojasapani_1
1
answer
Prove that the following functions are not monotonic in the intervals given. $x(x-1)(x+1) $ on $[0 , 2 ]$
tnstate
class12
bookproblem
ch5
sec-1
exercise5-7
p41
q4
q4-2
asked
May 4, 2013
by
poojasapani_1
1
answer
Prove that the following functions are not monotonic in the intervals given. $2x^{2}+x-5$ on $[-1 ,0 ]$
tnstate
class12
bookproblem
ch5
sec-1
exercise5-7
p41
q4
q4-1
asked
May 4, 2013
by
poojasapani_1
2
answers
Which of the following function are increasing or decreasing on the interval given? \[\] $x\sin x$ on$ [0 , \large\frac{\pi}{4}]$
tnstate
class12
bookproblem
ch5
sec-1
exercise5-7
p41
q3
q3-5
asked
May 4, 2013
by
poojasapani_1
1
answer
Which of the following function are increasing or decreasing on the interval given? \[\]$x(x-1)(x+1) $ on $[-2 , 1 ]$
tnstate
class12
bookproblem
ch5
sec-1
exercise5-7
p41
q3
q3-4
asked
May 4, 2013
by
poojasapani_1
1
answer
Which of the following function are increasing or decreasing on the interval given? \[\]$e^{-x} $ on $[0 , 1 ]$
tnstate
class12
bookproblem
ch5
sec-1
exercise5-7
p41
q3
q3-3
asked
May 4, 2013
by
poojasapani_1
1
answer
Which of the following function are increasing or decreasing on the interval given? \[\]$2x^{2}+3x$ on $[-\large\frac{1}{2} ,\frac{1}{2}]$
tnstate
class12
bookproblem
ch5
sec-1
exercise5-7
p41
q3
q3-2
asked
May 4, 2013
by
poojasapani_1
1
answer
Which of the following function are increasing or decreasing on the interval given? $x^{2}-1 $on$[0 , 1]$
tnstate
class12
bookproblem
ch5
sec-1
exercise5-7
p41
q3
q3-1
asked
May 4, 2013
by
poojasapani_1
1
answer
Prove that $\log _e x $ is strictly increasing function on $(0 ,\infty)$.
tnstate
class12
bookproblem
ch5
sec-1
exercise5-7
p41
q2
asked
May 4, 2013
by
poojasapani_1
1
answer
Prove that $e^{x} $ is strictly increasing function on $R$.
tnstate
class12
bookproblem
ch5
sec-1
exercise5-7
p41
q1
asked
May 4, 2013
by
poojasapani_1
1
answer
If A, B, C are events associated with random expt. Prove that \[ PtP(A\cup B\cup C)=P(A)+P(B)+P(C)-P(A\cap B)-P(A\cap C)-P(B\cap C)+P(A\cap B\cap C)\]
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q18
p41
math
asked
Feb 5, 2013
by
meena.p
0
answers
6 boys and 6 girls sit in a row at random. Find the probability that 1) The six girls sit together 2) The boys and girls sit alternatively.
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q17
p41
math
asked
Feb 5, 2013
by
meena.p
0
answers
The mean and variance of a binomial distribution are $ 4 \;and\;\frac{4}{3}.\;Find\;P(X\geq1).$
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q16
p41
math
asked
Feb 5, 2013
by
meena.p
1
answer
Find the probability that sum of the numbers showing on the two dice is 8, given that atleast one dice doesnt show five.
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q15
p41
math
asked
Feb 5, 2013
by
meena.p
0
answers
Find the probability of throwing almost 2 sixes in 6 throws of a single dice.
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q14
p41
math
asked
Feb 5, 2013
by
meena.p
0
answers
Three cards are drawn with replacement from a well shuffled pack of cards. Find the probability that cards are a king, queen and a jack
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q13
p41
math
asked
Feb 5, 2013
by
meena.p
0
answers
$P(A)=\frac{1}{2},P(B)=\frac{7}{12}P(not A \;or\; nor B)=\frac{1}{4}$ state whether A and B are independent.
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q12
p41
math
asked
Feb 5, 2013
by
meena.p
0
answers
Given that the two numbers appearing on two dice are different. Find the probability of the event 'the sum of numbers on the dice is 4'.
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q11
p41
math
asked
Feb 5, 2013
by
meena.p
0
answers
In a binomial distribution, the sum of mean and variance is 42. Product is 360. FInd the distribution.
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q10
p41
math
asked
Feb 5, 2013
by
meena.p
0
answers
Suppose X has a binomial distribution B(6,1/2) show that X = 3 is the most likely outcome.
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q9
p41
math
asked
Feb 5, 2013
by
meena.p
0
answers
4 persons are chosen at random from a group of 3 men, 2 women, 3 children. Find the probability that out of 4 choice, exactly 2 are children.
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q8
p41
math
asked
Feb 5, 2013
by
meena.p
0
answers
If on an average 1 ship in every 10 sinks, find the chance that out of 5 ships atleast 4 will arrive safely.
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q7
p41
math
asked
Feb 5, 2013
by
meena.p
0
answers
In a hurdle race a player has to cross 10 hurdles. The probability that will clear each hurdle is 5/6, what is the probability that he will knock down fewer than 2 hurdles.
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q6
p41
math
asked
Feb 5, 2013
by
meena.p
0
answers
A man fires 4 bullets on a thief. The probability that the thief will be killed by one bullet is 0.6. Find the probability that the thief is still alive.
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q5
p41
math
asked
Feb 5, 2013
by
meena.p
0
answers
The parameters n and p are 12 and 1/3 for a binomial distribution. Find standard deviation.
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q4
p41
math
asked
Feb 5, 2013
by
meena.p
0
answers
Given P(A) = 0.3, P(B) = 0.2, Find P(B/A) if A and B are mutually exclusive events.
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q3
p41
math
asked
Feb 5, 2013
by
meena.p
5
answers
A die is thrown 120 times and getting 1 or 5 is considered success. Find the mean, variance of number of successes.
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q2
p41
math
asked
Feb 5, 2013
by
meena.p
0
answers
Urn A contain 1 white, 2 black, 3 red balls. Urn B contain 2 white, 1 black, 1 red balls. Urn C contains 4 white, 5 black, 3 red balls. Two balls are drawn from one of the Urn and found to be one white and one red. Find the probabilities that they come from Urns A, B or C.
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q1
p41
math
asked
Feb 5, 2013
by
meena.p
0
answers
True or False: The principal value of $\sin^{-1}\begin{bmatrix}\cos\bigg(\sin^{-1}\frac{1}{2}\bigg)\end{bmatrix}\;is\;\Large {\frac{\pi}{3}}$
cbse
class12
ch2
q55
p41
true-or-false
exemplar
medium
sec-a
math
asked
Dec 21, 2012
by
sreemathi.v
1
answer
True or False: The minimum value of n for which $\tan^{-1}\Large {\frac{n}{\pi}}\;>\Large {\frac{\pi}{4}},\normalsize\;n\in N,$ is valid is 5
cbse
class12
ch2
q54
p41
true-or-false
exemplar
medium
sec-a
math
asked
Dec 21, 2012
by
sreemathi.v
1
answer
Find the principal values of the following: $tan^{-1} (-1)$
cbse
class12
bookproblem
ch2
sec1
q6
p41
sec-a
math
asked
Nov 28, 2012
by
vaishali.a
2
answers
Find the principal values of the following: $cos^{-1} \bigg(-\frac {1} {2} \bigg ) $
cbse
class12
bookproblem
ch2
sec1
q5
p41
easy
sec-a
math
asked
Nov 28, 2012
by
vaishali.a
2
answers
Find the principal values of the following: <br>$ tan^{-1} (-\sqrt3)$
cbse
class12
bookproblem
ch2
sec1
q4
p41
easy
sec-a
math
asked
Nov 28, 2012
by
vaishali.a
2
answers
Find the principal values of the following: $cosec^{-1} (2) $
cbse
class12
bookproblem
ch2
sec1
q3
p41
easy
sec-a
math
asked
Nov 28, 2012
by
vaishali.a
1
answer
Find the principal values of the following: <br> $cos^{-1} \bigg(\large\frac { \sqrt 3} {2}\bigg)$
cbse
class12
bookproblem
ch2
sec1
q2
p41
easy
sec-a
math
asked
Nov 28, 2012
by
vaishali.a
2
answers
Find the principal values of the following: <br> $ sin^{-1} \bigg( -\frac {1} {2}\bigg) $
cbse
class12
bookproblem
ch2
sec1
q1
p41
easy
sec-a
math
asked
Nov 28, 2012
by
vaishali.a
2
answers
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