Find the factorisation of 1-(a^2 + b^2)+2ab)

Er Chandra Bhushan
0

Find the factorisation of 1-(a^2 + b^2)+2ab)


 Soln:- given  1-(a^2 + b^2)+2ab) 

1 - a^2 - b^2 +2ab

1-(a^2 - b^2 -2ab)

(1)^2 - (a-b)^2

{1-(a-b)}(1+a-b)

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


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