EAMCET Engineering 2003 Solved Paper

Section: Mathematics
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Question : 136 of 160
 
Marks: +1, -0
If ‌‌ef(x)=‌
10+x
10−x
,x∈(−10,10)‌‌
and f(x)=kf(‌
200x
100+x2
)
, then k is equal to
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