Question

a³=(9q)³+3(9q)²(r)+3(9q)(r)²+(r)³

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Answer 1

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Answer 2

Answer:

a³ = (9p)³ + 3 (9q)² (r) + 3 (9q) (r)² + (r)³

a³ = (9q + r)³

a = 9q + r

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