If f(x) = x^2 + x x - 2 x - 1 , for x 1 = , for x = 1 and f is continuous at x = 1, then =

MHT CET Mathematics question

If , for , for and is continuous at , then

Answer: (C)

At the numerator , so the limit is the derivative of at . The derivative is $2x +

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Question ID VK-028081