LimitsHard
Question
The value of 
is
isOptions
A.0
B.2
C.-2
D.does not exist
Solution
Let f(x) = 
⇒ f(π) = 2
∴
= f′(π)
Now f′(x) =
f′(π) = 0
⇒ f(π) = 2∴
= f′(π)Now f′(x) =
f′(π) = 0
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