Question
Mathematics Question on Derivatives of Functions in Parametric Forms
if (xe)y=ex, then dxdy is =
A
(1+logx)2logx
B
(1+logx)21
C
(1+logx)logx
D
x(y−1)ex
Answer
(1+logx)2logx
Explanation
Solution
(xe)y=ex
⇒y(logx+1)=x
⇒y=x/(logx+1)
∴(dxdy=(log x+1)2log x)