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If int ( cos x - sin x )/( sqrt(8 - s...

If `int ( cos x - sin x )/( sqrt(8 - sin 2x ))dx = a sin^(-1) (( sin x + cos x )/(b)) +c ,`where c is a constant of integration, then the ordered pair (a, b) is equal to :

A

(–1, 3)

B

(3, 1)

C

(1,3)

D

(1,-3)

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The correct Answer is:
C
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