Question

FInd of the value of a2-b2 when a+b=13 and ab=40 A>B

Answer 1

Answer:

${a}^{2} - {b}^{2} = 39$

Step-by-step explanation:

Given a + b, ab and you have to find a2 - b2.

First find a - b.

Please find the steps in the attached image.