Question

(2x+3y+z)²

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Answer 1

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Answer 2

Answer:

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Step-by-step explanation:

We know that :-

(a + b + c)2 = a² + b² + c² + 2ab + 2bc + 2ca

Using this identity :-

(2x+3y+z)² = 4x² + 9y² + z² + 12xy + 6yz + 4zx