What is expand ((x-y)^2)/(x^2+y^2) ?

The solution to expand ((x-y)^2)/(x^2+y^2) is (x^2-2xy+y^2)/(x^2+y^2)

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expand ((x-y)^2)/(x^2+y^2)

expand

\frac{( x - y ) ^{2}}{x ^{2} + y ^{2}}

\frac{x ^{2} - 2 x y + y ^{2}}{x ^{2} + y ^{2}}

Solution steps

\frac{( x - y ) ^{2}}{x ^{2} + y ^{2}}

(x - y)^{2} = x^{2} - 2 x y + y^{2}

= \frac{x ^{2} - 2 x y + y ^{2}}{x ^{2} + y ^{2}}

- \frac{( t - 1 ) ^{2}}{2}

(5 + 3)^{3}

\frac{( 2 x ^{2} + 5 x + 18 )}{x ( x ^{2} + 9 )}

(x^{3} - 2 x + 3)^{7}

\frac{1}{( x ^{2} + 1 ) ( x ^{2} + x )}

What is expand ((x-y)^2)/(x^2+y^2) ?
The solution to expand ((x-y)^2)/(x^2+y^2) is (x^2-2xy+y^2)/(x^2+y^2)