Question

Expand (2 − 3 + 6) power

2

by using suitable identities.​

Answer 1

Answer:

ans:7

Step-by-step explanation:

(2-3+6)^2

using formula, a+b+c=a^2+b^2+c^2+2ab+2bc+2ca

therefore, (2-3+6)^2=(2)^2+(-3)^2+(6)^2+2(2)(-3)+2(-3)(6)+2(6)(2)

=4+9+36-18-38+24

=40+9-18-38+24

=49-56+24

=63-56

=7

This is the answer for ur question

hope its helps u