Question

using suitable identity find 5 a minus 6 b the whole square​

Answer 1

Answer:

Given equation:

(5a - 6b)²

Using the formula

(a - b)²= a²-2ab+b²

Therefore,

(5a - 6b)²= (5a)²- 2x5ax6b+(6b)²

= 25a²-60ab+36b²

Ans.25a²-60ab+36b²

Hope it helps you!