KEAM 2018 Math Paper

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Question : 10 of 120

Marks: +1, -0

If f is differentiable at x = 1, then

lim

x→1

x2f(1)−f(x)

x−1

is

−f′(1)
f(1)−f′(1)
2f(1)−f′(1)
2f(1)+f′(1)
f(1)+f′(1)

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