NDA Math Functions

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Question : 37 of 60

Marks: +1, -0

If f(x)=‌‌

x

x−1

, then what is ‌‌

f(a)

f(a+1)

equal to ?

[NDA I 2017]

f(−‌‌
a
a+1
)
f(a2)
f(
1
a
)
f(−a)

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