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AP EAPCET 07-Jul-2022 Shift 1 Paper

Section: Mathematics
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Question : 59 of 160
 
Marks: +1, -0
If
lim
x→0+
x2(‌
e1/x−e−1/x
e1/x+e−1/x
)=k and
lim
x→0−
x2(‌
e1/x−e−1/x
e1/x+e−1/x
)=1, then
Validate
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