Question

factorise 1-(x-y) ^2
pls give the explanation​

Answer 1

Answer:

(1+x-y)(1-x+y)

Step-by-step explanation:

1-(x-y)^2

=(1)^2-(x-y)^2

={1+(x-y)}{1-(x-y)}

=(1+x-y)(1-x+y)

Hope that helps. (-:

Answer 2

Answer:

(1-x-y)(1+x-y)

Step-by-step explanation:

=1-(x-y)²

=(1)²-(x-y)² { (a)²-(b)² = (a-b)(a+b) }

=(1-x-y)(1+x-y)