Expand the expression $\left(\frac{1}{y^2}+\frac{-1}{x^2}\right)\left(\frac{1}{y^4}+\frac{1}{y^2x^2}+\frac{1}{x^4}\right)$

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Learn how to solve special products problems step by step online. Expand the expression (1/(y^2)+-1/(x^2))(1/(y^4)+1/(y^2x^2)1/(x^4)). Multiplying polynomials \frac{1}{y^4}+\frac{1}{y^2x^2}+\frac{1}{x^4} and \frac{1}{y^2}+\frac{-1}{x^2}. Multiplying polynomials \frac{1}{y^2} and \frac{1}{y^4}+\frac{1}{y^2x^2}+\frac{1}{x^4}. Multiplying polynomials \frac{1}{y^2} and \frac{1}{y^2x^2}+\frac{1}{x^4}. Multiplying polynomials \frac{-1}{x^2} and \frac{1}{y^4}+\frac{1}{y^2x^2}+\frac{1}{x^4}.