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What is x plus y to the second power plus z to the second power?
Wiki User
∙ 13y ago
(x+y)^2+z^2=x^2+y^2+z^2+2xy
or
((x+y)^2+z)^2=
(x^2+y^2+2xy+z)^2=
x^4+y^4+z^2+6x^2y^2+4x^3y+2x^2z^2+4xy^3+4xyz^2+2z^2y^2
Wiki User
∙ 13y ago
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