Factorise:216m³_-343n³
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Answered by
17
Step-by-step explanation:
216m^3-343n^3
=(6m)^3-(7n)^3
=(6m-7n){(6m)^2+6m×7n+(7n)^2}
=(6m-7n)(36m^2+42mn+49n^2)
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Answered by
0
Answer:
factorise each of the following :-
216m³ - 512n³
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