My 1st problem

Algebra Level 2

Let $a$ , $b$ , and $c$ be three real numbers such that $a+b+c=0$ and $abc=8$ .

Find $a^{ 3 } + b^{ 3 } +c^{ 3 }$ .

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1 solution

Him Jain
Jun 5, 2016

Simple if $a+b+c=0$ then $a^3 +b^3 + c^3 = 3abc$

It would be nice if u use LaTeX for your solution.

Samara Simha Reddy - 5 years ago

Good use of the identity, Him. I have edited the Latex in your solution so the equations look prettier.

Pranshu Gaba - 5 years ago