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The value of the integral int(-pi//2)^(p...

The value of the integral `int_(-pi//2)^(pi//2) (x^(2) + log" (pi-x)/(pi+x)) cos x dx `

A

0

B

`(pi^(2))/(2)-4`

C

`(pi^(2))/(2)+4`

D

`(pi^(2))/(2)`

Text Solution

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The correct Answer is:
B
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ARIHANT MATHS-DEFINITE INTEGRAL-Exercise (Questions Asked In Previous 13 Years Exam)
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  2. The value of int0^1 4x^3{(d^2)/(dx^2)(1-x^2)^5}dx is

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  3. The value of the integral int(-pi//2)^(pi//2) (x^(2) + log" (pi-x)/(pi...

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  4. The value of int(In2)^(In3) (x sinx)dx is

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  5. Let f:[1,oo] be a differentiable function such that f(1)=2. If 6int1...

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  6. The value of int(0)^(1)(x^(4)(1-x)^(4))/(1+x^(2))dx is (are)

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  7. For a epsilonR (the set of all real numbers) a!=-1, lim(n to oo) ((1^...

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  8. Let f:[0,1]toR (the set of all real numbers ) be a function. Suppose t...

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  9. Which of the following is true?

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  10. f(x)={(x-[x]",",if[x] "is odd"),(1+[x]-x",",if[x]" is even"):} Then,...

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  11. Let f be a non-negative function defined on the interval [0,1]. If int...

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  12. Let I(n)=int(-pi)^(pi)(sin x)/((1+pi^(x))sin x )dx, n=0,1,2,... The va...

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  13. Let S(n)=sum(k=1)^(n)n/(n^(2)+kn+k^(2)) and T(n)=sum(k=0)^(n-1)n/(n^(2...

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  14. Then integral int(pi//4)^((3pi)/4) (dx)/(1+cosx) is equal to

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  15. "Let " I(n)=int tan^(n)x dx,(n gt 1). I(4)+I(6)=a tan^(5)x+bx^(5)+C, "...

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  16. lim(nto oo)[((n+1)(n+2)…3n)/(n^(2n))]^(1//n) is equal to

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  17. The integral int(2)^(4)(logx^(2))/(logx^(2)+log(36-12x+x^(2))) dx is e...

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  18. The integral int(0)^(pi)sqrt(1+4"sin"^(2)x/2-4"sin"x/2)dx is equals to...

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  19. Prove that the value of the integral int(pi//6)^(pi//3) (dx)/(1+sqrt(c...

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  20. The intercepts on x- axis made by tangents to the curve, y=int(0)^(x)|...

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