X^2(y^2-z^2)+y^2(z^2x^2)+z^2(x^2-y^2)

1.	X^2(y^2-z^2)+y^2(z^2x^2)+z^2(x^2-y^2)
Answer» ANSWER: =x^2(y^2-z^2)+y^2(z^2-x^2)+z^2(x^2-y^2) =x^2×y^2 - x^2×z^2 + y^2×z^2 - x^2×y^2 + x^2×z^2 - y^2×z^2 =0

Answer»

ANSWER:

=x^2(y^2-z^2)+y^2(z^2-x^2)+z^2(x^2-y^2)

=x^2×y^2 - x^2×z^2 + y^2×z^2 - x^2×y^2 + x^2×z^2 - y^2×z^2

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X^2(y^2-z^2)+y^2(z^2x^2)+z^2(x^2-y^2)

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