Question

How many solution do the pair of linear equation 2x + 3y = 9 and 3x + 6y = 15 have ?

Answer 1

Given pair of equations are

2x + 3y = 9 ... (i)   and

4x + 6y = 15 ... (ii)

Here a1=2, a2=4, b1=3, b2=6, c1=-9, c2=-15