Mark (√) against the correct answer in the following:
f 
?
Let 
Taking log both sides, we get
-(1)
(Since 
)
Differentiating (1) with respect to x, we get
1
Mark (√) against the correct answer in the following:
f ?
Let
Taking log both sides, we get
-(1)
(Since )
Differentiating (1) with respect to x, we get