Math, asked by thakurkanishk46, 5 months ago

expand (2x-y+z)^2
fast please​

Answers

Answered by Sanskarbro2211
1

Answer:

(2x+y+z)^2= 4x^2+y^2+z^2+4xy+2yz+4zx\\

Step-by-step explanation:

(a+b+c)^2=a^2+b^2+c^2+2ab+2bc+2ca

(2x+y+z)^2=(2x)^2+y^2+z^2+4xy+2yz+4zx\\

                    = 4x^2+y^2+z^2+4xy+2yz+4zx\\

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