Latest Gate Aptitude Question SOLUTION: f(x+y) = f(x) + f(y) + 2xy - 1 " x,y. f is differentiable and f'(0) = cos a. Prove that f(x) > 0 " x Î R.

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(#M40019948) GATE question APPLICATION OF DIFFERENTIATION Keep an EYE

f(x+y) = f(x) + f(y) + 2xy - 1 " x,y. f is differentiable and f'(0) = cos a. Prove that f(x) > 0 " x Î R.

Asked In Gate vignesh (10 years ago)

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