Using suitable identity determine the value of 64m^3-343n^3
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64m³-343n³
64m3-343n³ = (4m)³ - (7n)³
= (4m-7n){(4m)² + (4m)(7n) + (7n)²) = (4m-7n)(16m² + 28mn + 49n²).
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