Differentiation

Section: Mathematics

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Question : 65 of 78

Marks: +1, -0

If f(x)=|

cosx	x	1
2sinx	x2	2x
tanx	x	1

|,then

lim

x→0

f′(x)

x

[Main 15 April 2018 S1]

does not exist.
exists and is equal to 2
exists and is equal to 0.
exists and is equal to −2.

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