What is expand (16xy)/((x^2+y^2)^2) ?

The solution to expand (16xy)/((x^2+y^2)^2) is (16xy)/(x^4+2x^2y^2+y^4)

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expand (16xy)/((x^2+y^2)^2)

expand

\frac{16 x y}{( x ^{2} + y ^{2} ) ^{2}}

\frac{16 x y}{x ^{4} + 2 x ^{2} y ^{2} + y ^{4}}

Solution steps

\frac{16 x y}{( x ^{2} + y ^{2} ) ^{2}}

(x^{2} + y^{2})^{2} = x^{4} + 2 x^{2} y^{2} + y^{4}

= \frac{16 x y}{x ^{4} + 2 x ^{2} y ^{2} + y ^{4}}

\frac{3 z ^{3}}{( z - 0.5 ) ^{4}}

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

\frac{d y}{( y - 2 ) ( y + 2 )}

(x = 10,) (y = - 10)

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

What is expand (16xy)/((x^2+y^2)^2) ?
The solution to expand (16xy)/((x^2+y^2)^2) is (16xy)/(x^4+2x^2y^2+y^4)