Question

a + b + c ka whole cube

Answer 1

(a + b + c)2 = a2 + b2 + c2 + 2ab + 2bc + 2ca

Answer 2

$<b>Hey</b>$

Here is your answer
$( {a + b + c})^{3} \\ = {a}^{3} + {b}^{3} + {c}^{3} + 3(a + b) + 3(b +c ) + 3(a + c)$
$I hope this answer help you$
please mark me as $<u>Brainliest</u>$