Question

prove that the pair of linear equation 2 x minus 3 Y is equal to 5 and minus 6 X + 4 Y - 10 is equal to zero have one solution only

Answer 1

A1/A2= 2/6 = 1/3

B1/B2 = -3/4

SO A1/A2 NOT EQUAL TO B1/B2

SO IT HAS UNIQUE SOLUTION