MCQ in English Answers for CBSE Maths 12 Science Application of Derivatives

MCQ in English Answers for CBSE Maths 12 Science Application of Derivatives to enable students to get Answers in a narrative video format for the specific question.

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Question:

The function f is a differentiable function and satisfies the functional equation f(x) + f(y) = f(x + y) – xy – 1for every pair x, y of real numbers. If f(1) = 1, then the number of integers n ≠ 1 for which f(n) = n is_______________.

Answer Video in English:

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