What is expand arcsin(-(4x)/((1+x^2)^2)) ?

The solution to expand arcsin(-(4x)/((1+x^2)^2)) is arcsin(-(4x)/(1+2x^2+x^4))

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expand arcsin(-(4x)/((1+x^2)^2))

expand

arcsin (- \frac{4 x}{( 1 + x ^{2} ) ^{2}})

arcsin (- \frac{4 x}{1 + 2 x ^{2} + x ^{4}})

Solution steps

arcsin (- \frac{4 x}{( 1 + x ^{2} ) ^{2}})

\frac{4 x}{( 1 + x ^{2} ) ^{2}} = \frac{4 x}{1 + 2 x ^{2} + x ^{4}}

= arcsin (- \frac{4 x}{x ^{4} + 2 x ^{2} + 1})

\frac{a ^{2} b ^{2} c ^{2}}{( x - a ) ( x - b ) ( x - c )}

(1 - e^{t})^{2}

\frac{11 ( 64 - 15 z )}{2}

(x + 2) (x + \frac{1}{3})

cos (t) U (t - 3)

What is expand arcsin(-(4x)/((1+x^2)^2)) ?
The solution to expand arcsin(-(4x)/((1+x^2)^2)) is arcsin(-(4x)/(1+2x^2+x^4))