Given that  , find    at the point  (1, 1).   (5 marks)

Find the value of the real constant given that    is a solution of the differential equation

  (3 marks)

Let 

Find the value of given that  , where is a real constant.  (3 marks)

A differential equation that has    as a solution is

Given that    is a solution to the differential equation  , find the values of and , where and are real constants.   (4 marks)