Question

Find the value of (3a-1/2b) ^2 if 2a-1/3b=5

Answer 1

P(x) = 9a²-1\4b²----------------------------(1)

2a-1\3b = 5

2a-1 = 15b

b = 2a-1\15

Putting value of bi in eq 1

9a²-1 * 4*(2a-1/15)

= 9a²-1*8a-4/15