Math, asked by rohanmuduliff1, 11 months ago

(a+b+c)^2 - 2(ab+bc+ca) = ?

Answers

Answered by dhruvkoul

1

Answer:

a²+b²+c²

Step-by-step explanation:

a²+b²+c²+2ab+2bc+2ca-2ab-2bc-2ca

=a²+b²+c²

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