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Question

Let f(x) = 4 and f’(x) = 4. Then limx0xf(2)2f(x)x2 is given by


A

2

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B

-2

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C

-4

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D
3
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Solution

The correct option is C

-4


Apply L'Hospital Rule, we have,

limx0xf(2)2f(x)x2(00)

limx0f(2)2f(x)
=f(2)2f(0)=42×4=4


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