Forgot password? New user? Sign up

Existing user? Log in

Let $a$, $b$, and $c$ be non-zero real numbers such that

$(ab+bc+ca)^3 = abc (a+b+c)^3.$

Which of the following is definitely true about $a$, $b$ and $c$? $$

Relevant wikis:

Arithmetic sequence.

Geometric sequence.

Harmonic sequence.

Problem Loading...

Note Loading...

Set Loading...