A^2+b^2+2ab+2bc+2ca – InterviewSolution

1.	A^2+b^2+2ab+2bc+2ca
Answer» a² + b² + 2AB + 2bc + 2ac We know, x² + y² + 2xy = (X + y) Applying formula,we get (a + B)² + 2(bc + ca) (a + b)² + 2c(b + a) (a + b) (a + b + 2c)PLEASE mark me the Brainliest if this answer helped.

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