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यदि u = -f''(theta)sin theta + f'(theta)...

यदि `u = -f''(theta)sin theta + f'(theta) cos theta "एवं v" = f''(theta) cos theta + f'(theta) sin theta, "तब" int [((du)/(d theta))^(2) + ((dv)/(d theta))^(2)]^((1)/(2))d theta =`

A

`f(theta) - f''(theta) + C`

B

`f(theta) + f''(theta) + C`

C

`f'(theta) + f''(theta) + C`

D

`f'(theta) - f''(theta) + C`

लिखित उत्तर

Verified by Experts

The correct Answer is:
B
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