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If y= sqrt(cos x) + sqrt (cos sqrt (x))...

If y= ` sqrt(cos x) + sqrt (cos sqrt (x)),then (dy)/(dx) `

A

` (-sin x )/(2sqrt(cosx ) )- (sin sqrt x)/( 4sqrt (xcos sqrtx))`

B

` (-sin x)/( 2sqrt cos x) + (sin sqrtx)/( 2sqrt(xcos sqrtx ))`

C

` (sin x )/( 2sqrt cos x )-(sin sqrtx )/(4sqrt (xcos sqrtx))`

D

` (sin x )/(2sqrtcos x)+ (sinsqrtx)/( 4sqrt(xcos sqrtx))`

Text Solution

Verified by Experts

The correct Answer is:
A
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