What is expand 1/((x^2+k^2)^2) ?

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

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expand 1/((x^2+k^2)^2)

expand

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

\frac{1}{x ^{4} + 2 k ^{2} x ^{2} + k ^{4}}

Solution steps

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

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

= \frac{1}{x ^{4} + 2 k ^{2} x ^{2} + k ^{4}}

e (b - b d + d) + (1 - e) (ba - b d a c + d c)

(3 x^{2} + x + 2)^{9}

P (k) \Rightarrow P (k + 1)

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

4 [k (k + 1) (k - 1)]

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