Solution:
Option(B) is correct.
To Find: The value of 
Now, let 
Now , 
Therefore,
Let, 
Mark the tick against the correct answer in the following: The value of
A. 
B. 
C. 
D. none of these
Solution:
Option(B) is correct.
To Find: The value of
Now, let
Now ,
Therefore,
Let,
