1.

(a2+b2-c2)^2 simplify this​

Answer»

ANSWER

Now,

2(ab+cd)−a2−b2+c2+d2

=(c2+2cd+d2)−(a2−2ab+b2)

=(c+d)2−(a−b)2

=(c+d+a−b)(c+d−a+b)



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