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Preeti Tripathi

Class 9th
Maths
2 years ago

Factorise : 125x3 – 64y3

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Abhishek Mishra

2 years ago

Solution: 125x3– 6443 = (5x)3 – (4y)3 By using a3 – b3 = (a – b) (a2 + ab + b2), we obtain 125x3– 64y3 = (5x – 4y) (25x2 + 20xy + 16y2)

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