Question

factorise : 1 - (x – y)^2​

Answer 1

Answer:

1² - (x - y)²

(1 + x-y) ( 1 - x + y) is correct answer.

Step-by-step explanation:

I hope its help you.

Answer 2

Answer:

$1 - (x - y) {}^{2} \\ = (1 + x - y)(1 - x + y) \\ as \: (x {}^{2} - y {}^{2} ) =( x - y)(x + y)$