If f(x) is the integral of 1+ ^2x-2 x x ^2x x then what is _ x 0 f'(x) equal to?

NDA 2026 Mathematics question

If is the integral of then what is equal to?

Answer: (D)

Since is the integral of the given function, . Write it as \dfrac{1-\cos x}{x^2}$·({

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Question ID VK-030453