Question

Using identities, factorise
(i) (x - 2y)' + 8xy​

Answer 1

Step-by-step explanation:

Given, (x - 2y)² + 8xy can be written as

We know that (a - b)² = a² + b² - 2ab

x² + 2y² - 4xy + 8xy

x² + 2y² + 4xy

(x + 2y)²