Question

Proove (at b+c)³- a³-b³-c³ = 3(a+b)(b+c)(c+a)​

Answer 1

Answer:

(a+b+c)³- a³-b³-c³

=[a³+b³+c³+3(a+b)(b+c)(c+a)]- a³-b³-c³

= 3(a+b)(b+c)(c+a).

Hope this answer helps you.

Please mark it as brainliest!!!