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CUSAT 2018 BTech Solved Paper

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Question : 3

Total: 250

Let f:[−1,1]→R be a function defined as f(x)=‌

. The inverse of the function f:[−1,1]→ Range of f is

f−1(y)=‌
2y
1−y
,y≠1
f−1(y)=‌
y
1−y
,y≠1
f−1(y)=‌
2y
1+y
f−1(y)=‌
y
1+y

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