Mark (√) against the correct answer in the following:
If 
?
Given that 
Taking log both sides, we get
(Since 
)
Differentiating with respect to x, we get
Hence, 
1
Mark (√) against the correct answer in the following:
If ?
Given that
Taking log both sides, we get
(Since )
Differentiating with respect to x, we get
Hence,