Question: Please answer all questions Question 2 A. Given the matrix R = (3). i. show that R is non-singular. find R, the inverse of R.

Please answer all questions Question 2 A. Given

Please answer all questions

Question 2 A. Given the matrix R = (3). i. show that R is non-singular. find R, the inverse of R. ii. (1 mark) (2 marks) (2 marks) iii. show that RR- = I. B. Use the matrix method or otherwise to solve the following system of simultaneous equations: i. x + 2y + 3z = -5 ii. 3x + y - 3z = 4 iii. - 3x + 4y + 7z=-7 (15 marks)

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