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How to solve 64m^3-343n^3

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How to solve 64m^3-343n^3
  • 1 answers

Yogita Ingle 6 years, 7 months ago

a3 – b3 = (a – b) (a2 + ab + b2 )
64m3 - 343n3 = (4m)3 - (7n)3
= (4m - 7n) [(4m)2 + 4m (7n) + (7n)2
= (4m - 7n) [16m2 + 28mn + 49n2]

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