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The value of int(0)^((pi)/(2))x sin x dx...

The value of `int_(0)^((pi)/(2))x sin x dx` is equal to -

A

`(pi)/(4)`

B

`(pi)/(2)`

C

1

D

`pi`

Text Solution

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The correct Answer is:
C
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CHHAYA PUBLICATION-MCQ ZONE -Question Paper 3
  1. If int f(x) dx=f(x), then int {f(x)}^(2)dx is equal to -

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  2. The value of int(sqrt(tanx))/(sinx cosx)dx is equal to -

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  3. The value of int(0)^((pi)/(2))x sin x dx is equal to -

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  4. int(-2)^(2)(|x|+|x-1|)dx is equal to -

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  5. The value of int(0)^((pi)/(2))log(tan x)dx is equal to -

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  6. The value of int(0)^(pi)log sin^(2)x dx is equal to -

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  7. The value of the integral int(1)^(e ) (log x)^(2)dx is -

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  8. The value of int(dx)/(e^(x)+e^(-x)) is equal to -

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  9. For an integrable function f(x) in [-3, 3], int(-3)^(3) f(x)dx=0 when...

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  10. If I(m)=int(1)^(e )(log(e)x)^(m)dx, then the value of (I(m)+mI(m-1)) i...

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  11. If (d)/(dx)f(x)=g(x), then the value of int(a)^(b)f(x)g(x)dx is -

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  12. The value of the integral int(0)^(1) x(1-x)^(n)dx is -

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  13. The value of lim(n to oo) sum(r=1)^(n)(r^(2))/(r^(3)+n^(3)) is -

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  14. The value of int(0)^(1) (log(1+x)dx)/(1+x^(2)) is -

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  15. The value of lim(x to 0)(int(0)^(x^(2))sec^(2)t dt)/(x sin x) is equal...

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  16. If phi (x)=f(x)+x f'(x), then the value of int phi (x) dx is -

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  17. The value of the integral int(0)^(2pi)(sin x+|sin x|)dx is equal to -

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  18. The solution of the differential equation cosx siny dx+sinx cosy dy=0...

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  19. If m and n denote respectively the order and degree of a differential ...

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  20. The solution of the differential equation (dy)/(dx)=(x-y)/(x+y) is -

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