Question

is a^2+b^2+c^2=(a+b+c)

Answer 1

Answer:

false

Step-by-step explanation:

a^2+b^2+c^2= (a+b+c)^2

=(a+b+c)(a+b+c)=a^2+ab+ac+ba+b^2+bc+ca+cb+c^2

=2ab+2ac+2bc+a^2+b^2+c^2

2ab+2ac+2bc+a^2+b^2+c^2$\neq$a+b+c

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