Tuesday, 11 July 2023

SOLUTIONS OF SIMULTANEOUS EQUATIONS - CRAMER'S RULE

. Solve the following equations by using Cramer’s rule

(i) 2x + 3y = 7; 3x + 5y = 9

(ii) 5x + 3y = 17; 3x + 7 y = 31

(iii) 2x + y − z = 3, x + y + z = 1, x − 2 y − 3z = 4

(iv) x + y + z = 6, 2x + 3y − z = 5, 6x − 2 y − 3z = − 7

(v) x + 4 y + 3z = 2, 2x − 6 y + 6z = −3, 5x − 2 y + 3z = −5








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