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Limits, Continuity and Differentiability Part 3

Section: Mathematics
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Question : 30 of 69
 
Marks: +1, -0
If f(x)=
lim
n⟶∞
‌
n
∑
r=0
(‌
tan(x∕2r+1)+tan3(x∕2r+1)
1−tan2(x∕2r+1)
).
Then
lim
x⟶0
‌
ex−ef(x)
(x−f(x))
 is equal to ____ .
[28 Jan 2025 Shift 2]
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