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

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

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

expand

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

\frac{b ^{2} - x ^{2}}{b ^{4} + 2 b ^{2} x ^{2} + x ^{4}}

Solution steps

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

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

= \frac{b ^{2} - x ^{2}}{b ^{4} + 2 b ^{2} x ^{2} + x ^{4}}

\frac{173}{12} x - 16 (x - 4)

\frac{d ^{2}}{d x d y} ((f (x, y)) 6 (x + y)^{2})

\frac{d ^{2}}{d x ^{2}} ((y) (2 x^{3} + y + y^{2}))

(x 1 + x) (1 + 1 + x)

\frac{\partial}{\partial y} ((z) (3 x^{2} y + 4 x y^{2}))

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