Limits, Continuity and Differentiability Part 1

Section: Mathematics
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Question : 9 of 100
 
Marks: +1, -0
Suppose a differentiable function f(x) satisfies the identity f(x+y)=f(x)+f(y)+xy2 +x2y for all real x and y. If
lim
x→0
f(x)
x
=1
,
then f′(3) is equal to _______.
[4 Sep 2020 Shift 1]
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