Factorise :1) 121b²-88bc+16c²
2) 16× 5-144׳
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Answer:
Step-by-step explanation:
1. (11b)²- 2*11b*4c+ (4c)²
{BY USING PROPERTY a²-2ab+b²=(a-b)² }
(11b-4c)²= (11b-4c)(11b-4c)
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