JEE Main 8 April 2017 Paper Solved Paper

Section: Mathematics
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Question : 72 of 90
 
Marks: +1, -0
If
y=[x+√x2−1]15+[x−√x2−1]15
,then (x2−1)
d2y
dx
+x
dy
dx
is equal to:
[Main 8 April 2017]
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