Question

evaluate (x +3y+2z)whole power 2 by using identity ​

Answer 1

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Answer 2

Answer:

x^2 + 9y^2 + 4z^2 + 6xy + 12yz + 4zx

Step-by-step explanation:

using identity

${a }^{2} + {b}^{2} + {c}^{2} + 2ab + 2bc + 2ca$

a = x , b = 3y , c = 2z

x^2 + (3y)^2 + (2z)^2 + 2x(3y) + 2(3y)(2z) + 2(2z)x

x^2 + 9y^2 + 4z^2 + 6xy + 12yz + 4zx