Math, asked by lakshaygarg271007, 1 month ago

(2m + 1)³ + (m - 1)³

Answers

Answered by poonam847211devi

0

Answer:

(2m+1)³+(m-1)³

=(2m)³+(1)³+3(2m)²×1+3×2m×(1)²+(m)³-(1)³-3(m)²1+3m(1)²

= 8m³+1+12m²+6m+m³-1-3m²+3m

= 9m³+9m²+9m

=9m(m²+m+1)

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