Question

Given the following equations

X + 2Z = 9

4X + 2Y + Z = 14

X + 3Y + 4Z = 26

a). Using the inverse matrix method solve for x, y, and z ( 7 marks)

b). Proof the values obtained for x, y and z using the Cramer’s method

Answer 1

Answer:

(b) option is correct.

Answer 2

Answer:

using the sum to be in the sum to be in the sum to be in the sum to be