Optimal. Leaf size=16 \[ -A \tanh ^{-1}\left (\frac {A w}{B}\right )-B \tan ^{-1}(w) \]
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Rubi [A] time = 0.12, antiderivative size = 16, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 5, integrand size = 45, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.111, Rules used = {12, 6688, 391, 203, 208} \[ -A \tanh ^{-1}\left (\frac {A w}{B}\right )-B \tan ^{-1}(w) \]
Antiderivative was successfully verified.
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Rule 12
Rule 203
Rule 208
Rule 391
Rule 6688
Rubi steps
\begin {align*} \int -\frac {A^2+B^2}{B \left (1+w^2\right )^2 \left (1-\frac {\left (A^2+B^2\right ) w^2}{B^2 \left (1+w^2\right )}\right )} \, dw &=-\frac {\left (A^2+B^2\right ) \int \frac {1}{\left (1+w^2\right )^2 \left (1-\frac {\left (A^2+B^2\right ) w^2}{B^2 \left (1+w^2\right )}\right )} \, dw}{B}\\ &=-\frac {\left (A^2+B^2\right ) \int \frac {B^2}{\left (1+w^2\right ) \left (B^2-A^2 w^2\right )} \, dw}{B}\\ &=-\left (\left (B \left (A^2+B^2\right )\right ) \int \frac {1}{\left (1+w^2\right ) \left (B^2-A^2 w^2\right )} \, dw\right )\\ &=-\left (B \int \frac {1}{1+w^2} \, dw\right )-\left (A^2 B\right ) \int \frac {1}{B^2-A^2 w^2} \, dw\\ &=-B \tan ^{-1}(w)-A \tanh ^{-1}\left (\frac {A w}{B}\right )\\ \end {align*}
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Mathematica [B] time = 0.02, size = 35, normalized size = 2.19 \[ -\frac {B \left (A^2+B^2\right ) \left (A \tanh ^{-1}\left (\frac {A w}{B}\right )+B \tan ^{-1}(w)\right )}{A^2 B+B^3} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.43, size = 26, normalized size = 1.62 \[ -B \arctan \relax (w) - \frac {1}{2} \, A \log \left (A w + B\right ) + \frac {1}{2} \, A \log \left (A w - B\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [B] time = 1.16, size = 82, normalized size = 5.12 \[ -\frac {{\left (\frac {A^{3} B \log \left ({\left | A w + B \right |}\right )}{A^{4} + A^{2} B^{2}} - \frac {A^{3} B \log \left ({\left | A w - B \right |}\right )}{A^{4} + A^{2} B^{2}} + \frac {2 \, B^{2} \arctan \relax (w)}{A^{2} + B^{2}}\right )} {\left (A^{2} + B^{2}\right )}}{2 \, B} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [B] time = 0.01, size = 121, normalized size = 7.56 \[ \frac {A^{3} \ln \left (A w -B \right )}{2 A^{2}+2 B^{2}}-\frac {A^{3} \ln \left (A w +B \right )}{2 \left (A^{2}+B^{2}\right )}-\frac {A^{2} B \arctan \relax (w )}{A^{2}+B^{2}}+\frac {A \,B^{2} \ln \left (A w -B \right )}{2 A^{2}+2 B^{2}}-\frac {A \,B^{2} \ln \left (A w +B \right )}{2 \left (A^{2}+B^{2}\right )}-\frac {B^{3} \arctan \relax (w )}{A^{2}+B^{2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [B] time = 1.41, size = 68, normalized size = 4.25 \[ -\frac {{\left (A^{2} + B^{2}\right )} {\left (\frac {2 \, B^{2} \arctan \relax (w)}{A^{2} + B^{2}} + \frac {A B \log \left (A w + B\right )}{A^{2} + B^{2}} - \frac {A B \log \left (A w - B\right )}{A^{2} + B^{2}}\right )}}{2 \, B} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.24, size = 352, normalized size = 22.00 \[ -A\,\mathrm {atanh}\left (\frac {2\,A^{13}\,w}{2\,A^{12}\,B+6\,A^{10}\,B^3+6\,A^8\,B^5+2\,A^6\,B^7}+\frac {2\,A^7\,B^6\,w}{2\,A^{12}\,B+6\,A^{10}\,B^3+6\,A^8\,B^5+2\,A^6\,B^7}+\frac {6\,A^9\,B^4\,w}{2\,A^{12}\,B+6\,A^{10}\,B^3+6\,A^8\,B^5+2\,A^6\,B^7}+\frac {6\,A^{11}\,B^2\,w}{2\,A^{12}\,B+6\,A^{10}\,B^3+6\,A^8\,B^5+2\,A^6\,B^7}\right )-B\,\mathrm {atan}\left (\frac {2\,A^4\,B^9\,w}{2\,A^{10}\,B^3+6\,A^8\,B^5+6\,A^6\,B^7+2\,A^4\,B^9}+\frac {6\,A^6\,B^7\,w}{2\,A^{10}\,B^3+6\,A^8\,B^5+6\,A^6\,B^7+2\,A^4\,B^9}+\frac {6\,A^8\,B^5\,w}{2\,A^{10}\,B^3+6\,A^8\,B^5+6\,A^6\,B^7+2\,A^4\,B^9}+\frac {2\,A^{10}\,B^3\,w}{2\,A^{10}\,B^3+6\,A^8\,B^5+6\,A^6\,B^7+2\,A^4\,B^9}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [C] time = 1.93, size = 422, normalized size = 26.38 \[ \left (A^{2} B + B^{3}\right ) \left (- \frac {A \log {\left (w + \frac {- \frac {A^{9}}{B \left (A^{2} + B^{2}\right )^{3}} - \frac {A^{7} B}{\left (A^{2} + B^{2}\right )^{3}} + \frac {A^{5} B^{3}}{\left (A^{2} + B^{2}\right )^{3}} + \frac {A^{5}}{B \left (A^{2} + B^{2}\right )} + \frac {A^{3} B^{5}}{\left (A^{2} + B^{2}\right )^{3}} + \frac {A B^{3}}{A^{2} + B^{2}}}{A^{2}} \right )}}{2 B \left (A^{2} + B^{2}\right )} + \frac {A \log {\left (w + \frac {\frac {A^{9}}{B \left (A^{2} + B^{2}\right )^{3}} + \frac {A^{7} B}{\left (A^{2} + B^{2}\right )^{3}} - \frac {A^{5} B^{3}}{\left (A^{2} + B^{2}\right )^{3}} - \frac {A^{5}}{B \left (A^{2} + B^{2}\right )} - \frac {A^{3} B^{5}}{\left (A^{2} + B^{2}\right )^{3}} - \frac {A B^{3}}{A^{2} + B^{2}}}{A^{2}} \right )}}{2 B \left (A^{2} + B^{2}\right )} + \frac {i \log {\left (w + \frac {- \frac {i A^{6} B^{2}}{\left (A^{2} + B^{2}\right )^{3}} - \frac {i A^{4} B^{4}}{\left (A^{2} + B^{2}\right )^{3}} - \frac {i A^{4}}{A^{2} + B^{2}} + \frac {i A^{2} B^{6}}{\left (A^{2} + B^{2}\right )^{3}} + \frac {i B^{8}}{\left (A^{2} + B^{2}\right )^{3}} - \frac {i B^{4}}{A^{2} + B^{2}}}{A^{2}} \right )}}{2 \left (A^{2} + B^{2}\right )} - \frac {i \log {\left (w + \frac {\frac {i A^{6} B^{2}}{\left (A^{2} + B^{2}\right )^{3}} + \frac {i A^{4} B^{4}}{\left (A^{2} + B^{2}\right )^{3}} + \frac {i A^{4}}{A^{2} + B^{2}} - \frac {i A^{2} B^{6}}{\left (A^{2} + B^{2}\right )^{3}} - \frac {i B^{8}}{\left (A^{2} + B^{2}\right )^{3}} + \frac {i B^{4}}{A^{2} + B^{2}}}{A^{2}} \right )}}{2 \left (A^{2} + B^{2}\right )}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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