Math, asked by sushmitnaik637, 3 months ago

expand using identities : (2x+y+3z)²

Answers

Answered by MSRKN404

5

Answer:

$(a + b + c)^{2} \\ = {a}^{2} + {b}^{?} + {c}^{2} + 2ab + 2bc + 2ca \\ = 4 {x}^{2} + {y}^{2} + 9 {z}^{2} + 8xy + 18 yz \\ + 12xz$

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