a)Given the following matrices

and

Required:

i)P + R - 3Q (2 marks)

ii)2PR (2 marks)

b)What is the future value of KShs 60,000 invested for 5 years to earn a compound interest of 12% per annum given that interest is payable;

i)Semi-annually (3 marks)

ii)Continuously (3 marks)