Define Factorise : a-b-a^2+b^2
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your ans
given:-
a-b-a2+b2
(a-b)-(a2-b2)
(a-b)-(a+b)(a-b)
take (a-b) common
(a-b)[1-(a+b)]
(a-b)(1-a-b)
given:-
a-b-a2+b2
(a-b)-(a2-b2)
(a-b)-(a+b)(a-b)
take (a-b) common
(a-b)[1-(a+b)]
(a-b)(1-a-b)
Anonymous:
what happened?
related to what
then
Answered by
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Answer:
a - b - a2 + b2
= (a - b) - (a2 - b2)
= (a - b) - (a - b) (a + b)
= (a - b) (1 - a - b)
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