Prove that (a + b + c)³ – a³ – b³ – c³ = 3(a + b)(b + c)(c + a).

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TextAlgebraic Identity for Cube of Binomial SumAlgebraic Identity for Sum of CubesNCERT Exemplar

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If x³ + 1/x³ = 110, then find x + 1/x.

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Algebraic Identity for Cube of Binomial Sum

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TextAlgebraic Identity for Cube of Binomial Sum