Question

(x+y+z)2 please tell me answer

Answer 1

Step-by-step explanation:

X^2 +y^2 +z^2+2xy+2yz+2zx

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Answer 2

${(x + y + z)}^{2} \\ = {x}^{2} + {y}^{2} + {z}^{2} + 2(xy + yz + xz)$