Question

Write down the IV-Identity.

(a + b + c)2
=
Fast Answer
​

Answer 1

Answer:

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

Step-by-step explanation:

hope it helps

Answer 2

Answer:

Use the formula for (a+b+c)^2 = a^2 + b^2 + c^ 2 +2ab +2bc + 2 ca.