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Question

Factorize:- (i) 25x2y2
(ii) 425x2
(iii) (x+y)21

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Solution

(i) 25x2y2
=(5x)2y2 [a2b2=(ab)(a+b)]
(5xy)(5x+y)
(ii) 425x2
=(2)2(5x)2 [a2b2=(ab)(a+b)]
=(25x)(2+5x)
(iii) (x+y)21 [(a+b)2=a2+b2+2ab,a2b2=(ab)(a+b)]
=(x+y)2(1)2
=(x+y1)(x+y+1)

1162359_1281654_ans_e0bc9f641cdd486bbbc2248cb2aa8964.jpg

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