Question

8b3+1/b3=? answer my question​

Answer 1

Answer: $8b^3 + \frac{1}{b^3} = (2b+ \frac{1}{b} )^3 - 12b - \frac{6}{b}$

Step-by-step explanation:

$8b^3 + \frac{1}{b^3} = (2b+ \frac{1}{b} )^3 - 12b - \frac{6}{b}$

= $(a^3+b^3) = (a+b)^3 - 3ab(a+b)$

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