The correct option is B x2 + y2 + z2 + 2xy +2yz +2zx(x + y + z)2 = x2+ y2 + z2 + 2xy + 2yz + 2zx ...

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Addition of Polynomials

Evaluate x+y+...

Question

Evaluate (x + y + z)²

x² + y² + z² + 2xy +2yz +2zx

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x² + y²z² + 2xy + 2yz – 2zx

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x² – y² – z² + 2xy – 2yz – 2zx

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x² + y² + z² + 2xy + 2yz

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Solution

The correct option is A
x² + y² + z² + 2xy +2yz +2zx

(x + y + z)² = x²+ y² + z² + 2xy + 2yz + 2zx

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