Question

[a+b+c]^2=a^2+b^2+c^2[2ab+2bc+2ca]
​

Answer 1

Answer:

true

Step-by-step explanation:

A

True

Multiply(a+b−c)(a+b−c)

=a

2

+b

2

+c

2

+ab−bc−ca+ab−bc−ca

=a

2

+b

2

+c

2

+2ab−2bc−2ca