Question

$1 - (x - y) ^{2}$
Factorise ​

Answer 1

Answer:

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

Step-by-step explanation:

>> 1 - (x - y)²

>> 1² - (x - y)²

Using Formula a² - b² = ( a - b) (a + b)

>> [1 - (x - y)] [1 + (x - y)]

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

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Answer 2

Answer:

>> 1 - (x - y)²

>> 1² - (x - y)²

Using Formula a² - b² = ( a - b) (a + b)

>> [1 - (x - y)] [1 + (x - y)]

Step-by-step explanation: