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Questions asked by meena.p
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14353
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Let * be a binary operation on the set of real numbers. If a * b = a+b-ab, 2 * ( 3 * x ) = -7, find the value of x.
cbse
class12
additionalproblem
kvquestionbank2012
ch1
q3
p3
math
sec-b
asked
Jan 22, 2013
1
answer
If $f(x)=\sin^2x+\sin^2\big(x+\frac{\pi}{3}\big)+\cos x.cos\big(x+\frac{\pi}{3}\big)\;and\;g\big(\frac{5}{4}\big)=1$, then find the value of gof(x)=x.
cbse
class12
additionalproblem
kvquestionbank2012
ch1
q2
p3
math
sec-b
asked
Jan 22, 2013
0
answers
If $f(x)=\frac{x-1}{x+1},(x \neq 1,-1),$ show that $fof^{-1}$ is an identity function.
cbse
class12
additionalproblem
kvquestionbank2012
ch1
q1
p3
math
sec-b
asked
Jan 22, 2013
0
answers
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