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int(0)^((pi)/(2)) e^(2x) cos xdx is :...

`int_(0)^((pi)/(2)) e^(2x) cos xdx` is :

A

`(e^(pi)-2)/(5)`

B

`e^(pi)-2`

C

`(e pi)/(5)`

D

`(e^(pi)+2)/(5)`.

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The correct Answer is:
A
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PREMIERS PUBLISHERS-APPLICATIONS OF INTEGRATION-PROBLEMS FOR PRACTICE (CHOOSE THE CORRECT ANSWER) :
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  2. int(0)^((pi)/( 4)) cos^(3) 2x dx = "….........."

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  3. The value of int(0)^(pi) sin^(4) x dx is

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  4. int(0)^((pi)/(2)) e^(2x) cos xdx is :

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  5. int(0)^((3)/(2)) sqrt(9-4x^2)dx=.

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  6. int(0)^((pi)/(2)) sin^7 xdx is :

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  7. The area of the region bounded by y=x^2-5x+4,x=2,x=3 and the x axis is...

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  8. Find the area of the region bounded by x^2=36y y axis y=2 and y=4.

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  9. Find the common area of x^2=y and y^2 =x.

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  10. int(-2)^(2)(2-x)^2dx is :

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  11. The volume of the solid formed by revolving the area of the circle x^2...

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  12. The volume generated by the region bounded by the curve y=sqrt(x) and ...

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  13. The volume generated by rotating the triangle with vertices (0,0),(4,0...

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  14. The area bounded by y=cos x -sin x between x=0 and x=pi is :

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  15. The volume of solid obtained by revolving the curve y=sec x between x=...

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  16. The plane region bounded by the curve y=sqrt(cosx), 0 le x le (pi)/(2)...

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  17. int(a)^(b) f(x) dx =

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  18. If int(0)^(a) f(x) dx + int(0)^(a) f(2a-x) dx =

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  19. The area between x^2=4-y and the lines y=0,y=3 is :

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  20. The volume of a spherical cap of height (a)/(2) cut off from the spher...

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