If 
then write the value of f(x).
Consider, 
dx
= 
ex dx
= 
ex dx
It is clearly of the form,
By comparison, f(x)= 
; fI(x)= - 
Therefore, the value of f(x)=
1
If then write the value of f(x).
Consider, dx
= ex dx
= ex dx
It is clearly of the form,
By comparison, f(x)= ; fI(x)= -
Therefore, the value of f(x)=