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Evalute : int (cos 2 x - cos2 alpha)/(co...

Evalute : `int (cos 2 x - cos2 alpha)/(cos x - cos alpha)dx`.

A

`2(sin x + x cos theta)+C`

B

`2(sin x - x cos theta)+C`

C

`2(sin x + 2x cos theta)+C`

D

`2(sin x - 2x cos theta)+C`

Text Solution

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The correct Answer is:
A
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SUNSTAR PUBLICATION-K-CET- MATHEMATICS - 2017-MCQs
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  6. int(-5)^(5)|x+2|dx is equal to

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  7. int(-pi//2)^(pi//2)(dx)/(e^(sin x)+1) is equal to

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  8. int(0)^(pi//2)(1)/(a^(2).sin^(2)x+b^(2).cos^(2)x)dx is equal to

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  9. Find the area of the region bounded by the curve y = x^(2) and the lin...

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  10. Area of the region bounded by the curve y = cos x, x = 0 and x = pi is

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  12. General solution of differential equation (dy)/(dx)+y=1(y ne 1) is

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  13. The integrating factor of the differential equation x.(dy)/(dx)+2y=x^(...

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  14. If vec(a)=2hat(i)+lambda hat(j)+hat(k) and vec(b)=-hat(i)+2hat(j)-3hat...

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  16. If veca and vec b are unit vectors, then what is the angle between vec...

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