What is expand (tan^2(x^2+y^2))/((4x^2+4y^2)^2) ?

The solution to expand (tan^2(x^2+y^2))/((4x^2+4y^2)^2) is (tan^2(x^2+y^2))/(16x^4+32x^2y^2+16y^4)

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expand (tan^2(x^2+y^2))/((4x^2+4y^2)^2)

expand

\frac{tan ^{2} ( x ^{2} + y ^{2} )}{( 4 x ^{2} + 4 y ^{2} ) ^{2}}

\frac{tan ^{2} ( x ^{2} + y ^{2} )}{16 x ^{4} + 32 x ^{2} y ^{2} + 16 y ^{4}}

Solution steps

\frac{tan ^{2} ( x ^{2} + y ^{2} )}{( 4 x ^{2} + 4 y ^{2} ) ^{2}}

(4 x^{2} + 4 y^{2})^{2} = 16 x^{4} + 32 x^{2} y^{2} + 16 y^{4}

= \frac{tan ^{2} ( x ^{2} + y ^{2} )}{16 x ^{4} + 32 x ^{2} y ^{2} + 16 y ^{4}}

\frac{1}{6} (3 ln ∣ x ∣ - 4 x^{3})

(x - 4 - x) \cdot (x + 4 - x)

e^{4 t} \cdot (3 e^{- 4 t} + 2 e^{- 6 t})

\frac{d}{d t} ((x) (k (a - x) (b - x)))

What is expand (tan^2(x^2+y^2))/((4x^2+4y^2)^2) ?
The solution to expand (tan^2(x^2+y^2))/((4x^2+4y^2)^2) is (tan^2(x^2+y^2))/(16x^4+32x^2y^2+16y^4)