Question

if a-b =0.9 and ab = o.36 .find a^2-b^2​

Answer 1

Explanation:

a=0.12

b=0.3

If you look carefully, you have two equations and two variable.

a=0.36/b

putting the value of a in the first equations -

b² + 0.9b -036

Answer 2

Answer:

I hope it helpful to you..