is equivalent to

A.     where 

B.     where 

C.     where 

D.     where 

E.     where 

1. For the function with rule  , Find the value of such that  .   (1 mark)
   

   --- 2 WORK AREA LINES (style=lined) ---

2. Use an appropriate substitution in the form    to find an equivalent definite integral for

    

          in terms of only.   (3 marks)
   

   --- 6 WORK AREA LINES (style=lined) ---

3. Hence evaluate  , giving your answer in the form  .   (1 mark)
   

   --- 3 WORK AREA LINES (style=lined) ---