यदि \( f(x)=\int_{0}^{x} t \sin t d t \), तब \( f^{\prime}(x) \) है: (A) \( \cos x+x \sin x \) (...
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यदि \( f(x)=\int_{0}^{x} t \sin t d t \), तब \( f^{\prime}(x) \) है:
(A) \( \cos x+x \sin x \)
(B) \( x \sin x \)
(C) \( x \cos x \)
(D) \( \sin x+x \cos x \)
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