Math, asked by blinkikorea, 10 hours ago

Factorise it :
1-a-b+ab

please answer as fast as possible! ​

Answers

Answered by niya10
0

Step-by-step explanation:

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Answered by supalvasani48
1

Answer:

1-a-b+ab

1(1-a)-b( 1-a)

(1-b) (1-a)

b=1 a=1

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