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JEE Main 11 April 2015 Paper

Section: Mathematics
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Question : 70 of 90
 
Marks: +1, -0
Let k be a non-zero real number. If
f(x)={
(ex−1)2
sin(
x
k
)log(1+
x
4
)
,		x≠0
12,x≠0

is a continuous function, then the value of k is :
[Main 11 Apr 2015]
Validate
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