If (x^ 2 + 1)e^ x /(x + 1)^ 2 dx = f(x)e^ x + C, where C is a constant, then d^ 3 f/dx^ 3 at x = 1 is equal to :

JEE Main 2022 Mathematics question

If dx = , where C is a constant, then at x = 1 is equal to :

Answer: (2)

( + 1)/(x + + 2)/(x + − 1)/(x + 1) + 2/(x + . Since with g(x) = (x − 1)/(x + 1) and = 2/(x +

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Question ID VK-034604