Q24 of 39 Page 1

Use [ ccc 1&-1&2 0&2&-3 3&-2&4 ] [ ccc -2&0&1 9&2&-3 6&1&-2 ] the product to solve the system of equations x+3z = 9 ,-x+2y-2z = 4 , 2x-3y+4z = - 3

Given:



∴ B = A−1


And x + 3z = 9, −x + 2y −2z = 4, 2x − 3y + 4z = −3


This can be written as





∴ x = 0, y = 5, z = 3 is the required solution.


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