With a suitable substitution, can be expressed as

With a suitable substitution, can be expressed as

Using a suitable substitution, the definite integral    is equivalent to

A.  

B.  

C.  

D.  

E.  

Using a suitable substitution,    can be expressed as

A.  

B.  

C.  

D.  

E.  

Evaluate  .  (4 marks)

With a suitable substitution can be expressed as