Question

(x/y - y/x)²
ans pls​

Answer 1

Answer:

$\left(\frac{x}{y}-\frac{y}{x}\right)^2\\\\= \left(\frac{x}{y}\right)^2-2\cdot \frac{x}{y}\cdot \frac{y}{x}+\left(\frac{y}{x}\right)^2\\\\= \frac{x^2}{y^2}-2+\frac{y^2}{x^2}$

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