1.

Factorize :(i) x^4 – 20x^2y^2 + 64y^4 (ii) 25x^2 + 90xy + 81y^2 – 20x – 36y

Answer» Factorize :
(i) x^4 – 20x^2y^2 + 64y^4
(ii) 25x^2 + 90xy + 81y^2 – 20x – 36y


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