Question

Find the value of b. if given pair of equations have infinity solution. x + 3y =
6 and 2x - 3by= 12​

Answer 1

Answer:

For infinity solutions:

$\frac{a1| }{a2} = \frac{b1}{b2} = \frac{c1}{c2}$

A1=1, B1=3, C1=6

A2=2,B2=-3b,C2=12

For infinite solutions, value of b should be -2!

I hope it was helpful!