Optimal. Leaf size=225 \[ -\frac{\tan ^{-1}\left (\frac{\sqrt [4]{b} x}{\sqrt [4]{a}}\right ) \left (-\frac{\sqrt{b} (3 b c-a g)}{\sqrt{a}}-3 a i+b e\right )}{8 a^{5/4} b^{7/4}}+\frac{\tanh ^{-1}\left (\frac{\sqrt [4]{b} x}{\sqrt [4]{a}}\right ) \left (\frac{\sqrt{b} (3 b c-a g)}{\sqrt{a}}-3 a i+b e\right )}{8 a^{5/4} b^{7/4}}+\frac{(b d-a h) \tanh ^{-1}\left (\frac{\sqrt{b} x^2}{\sqrt{a}}\right )}{4 a^{3/2} b^{3/2}}+\frac{j \log \left (a-b x^4\right )}{4 b^2}+\frac{x \left (x (a h+b d)+x^2 (a i+b e)+x^3 (a j+b f)+a g+b c\right )}{4 a b \left (a-b x^4\right )} \]
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Rubi [A] time = 0.743876, antiderivative size = 225, normalized size of antiderivative = 1., number of steps used = 10, number of rules used = 8, integrand size = 46, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.174 \[ -\frac{\tan ^{-1}\left (\frac{\sqrt [4]{b} x}{\sqrt [4]{a}}\right ) \left (-\frac{\sqrt{b} (3 b c-a g)}{\sqrt{a}}-3 a i+b e\right )}{8 a^{5/4} b^{7/4}}+\frac{\tanh ^{-1}\left (\frac{\sqrt [4]{b} x}{\sqrt [4]{a}}\right ) \left (\frac{\sqrt{b} (3 b c-a g)}{\sqrt{a}}-3 a i+b e\right )}{8 a^{5/4} b^{7/4}}+\frac{(b d-a h) \tanh ^{-1}\left (\frac{\sqrt{b} x^2}{\sqrt{a}}\right )}{4 a^{3/2} b^{3/2}}+\frac{j \log \left (a-b x^4\right )}{4 b^2}+\frac{x \left (x (a h+b d)+x^2 (a i+b e)+x^3 (a j+b f)+a g+b c\right )}{4 a b \left (a-b x^4\right )} \]
Antiderivative was successfully verified.
[In] Int[(c + d*x + e*x^2 + f*x^3 + g*x^4 + h*x^5 + i*x^6 + j*x^7)/(a - b*x^4)^2,x]
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Rubi in Sympy [A] time = 131.579, size = 212, normalized size = 0.94 \[ \frac{j \log{\left (a - b x^{4} \right )}}{4 b^{2}} + \frac{x \left (a g + b c + x^{3} \left (a j + b f\right ) + x^{2} \left (a i + b e\right ) + x \left (a h + b d\right )\right )}{4 a b \left (a - b x^{4}\right )} - \frac{\left (a h - b d\right ) \operatorname{atanh}{\left (\frac{\sqrt{b} x^{2}}{\sqrt{a}} \right )}}{4 a^{\frac{3}{2}} b^{\frac{3}{2}}} - \frac{\left (\sqrt{a} \left (3 a i - b e\right ) + a \sqrt{b} g - 3 b^{\frac{3}{2}} c\right ) \operatorname{atanh}{\left (\frac{\sqrt [4]{b} x}{\sqrt [4]{a}} \right )}}{8 a^{\frac{7}{4}} b^{\frac{7}{4}}} + \frac{\left (3 a^{\frac{3}{2}} i - \sqrt{a} b e - a \sqrt{b} g + 3 b^{\frac{3}{2}} c\right ) \operatorname{atan}{\left (\frac{\sqrt [4]{b} x}{\sqrt [4]{a}} \right )}}{8 a^{\frac{7}{4}} b^{\frac{7}{4}}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] rubi_integrate((j*x**7+i*x**6+h*x**5+g*x**4+f*x**3+e*x**2+d*x+c)/(-b*x**4+a)**2,x)
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Mathematica [A] time = 0.459414, size = 338, normalized size = 1.5 \[ \frac{\frac{\sqrt [4]{b} \log \left (\sqrt [4]{a}-\sqrt [4]{b} x\right ) \left (2 a^{5/4} \sqrt [4]{b} h+3 a^{3/2} i-2 \sqrt [4]{a} b^{5/4} d-\sqrt{a} b e+a \sqrt{b} g-3 b^{3/2} c\right )}{a^{7/4}}+\frac{\sqrt [4]{b} \log \left (\sqrt [4]{a}+\sqrt [4]{b} x\right ) \left (2 a^{5/4} \sqrt [4]{b} h-3 a^{3/2} i-2 \sqrt [4]{a} b^{5/4} d+\sqrt{a} b e-a \sqrt{b} g+3 b^{3/2} c\right )}{a^{7/4}}+\frac{2 \sqrt [4]{b} \tan ^{-1}\left (\frac{\sqrt [4]{b} x}{\sqrt [4]{a}}\right ) \left (3 a^{3/2} i-\sqrt{a} b e-a \sqrt{b} g+3 b^{3/2} c\right )}{a^{7/4}}+\frac{2 \sqrt{b} (b d-a h) \log \left (\sqrt{a}+\sqrt{b} x^2\right )}{a^{3/2}}+\frac{4 \left (a^2 j+a b (f+x (g+x (h+i x)))+b^2 x (c+x (d+e x))\right )}{a \left (a-b x^4\right )}+4 j \log \left (a-b x^4\right )}{16 b^2} \]
Antiderivative was successfully verified.
[In] Integrate[(c + d*x + e*x^2 + f*x^3 + g*x^4 + h*x^5 + i*x^6 + j*x^7)/(a - b*x^4)^2,x]
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Maple [B] time = 0.015, size = 466, normalized size = 2.1 \[{\frac{1}{b{x}^{4}-a} \left ( -{\frac{ \left ( ai+be \right ){x}^{3}}{4\,ab}}-{\frac{ \left ( ah+bd \right ){x}^{2}}{4\,ab}}-{\frac{ \left ( ag+bc \right ) x}{4\,ab}}-{\frac{aj+bf}{4\,{b}^{2}}} \right ) }-{\frac{g}{8\,ab}\sqrt [4]{{\frac{a}{b}}}\arctan \left ({x{\frac{1}{\sqrt [4]{{\frac{a}{b}}}}}} \right ) }+{\frac{3\,c}{8\,{a}^{2}}\sqrt [4]{{\frac{a}{b}}}\arctan \left ({x{\frac{1}{\sqrt [4]{{\frac{a}{b}}}}}} \right ) }-{\frac{g}{16\,ab}\sqrt [4]{{\frac{a}{b}}}\ln \left ({1 \left ( x+\sqrt [4]{{\frac{a}{b}}} \right ) \left ( x-\sqrt [4]{{\frac{a}{b}}} \right ) ^{-1}} \right ) }+{\frac{3\,c}{16\,{a}^{2}}\sqrt [4]{{\frac{a}{b}}}\ln \left ({1 \left ( x+\sqrt [4]{{\frac{a}{b}}} \right ) \left ( x-\sqrt [4]{{\frac{a}{b}}} \right ) ^{-1}} \right ) }+{\frac{ah}{8}\ln \left ({1 \left ( -{a}^{2}b+{x}^{2}\sqrt{{a}^{3}{b}^{3}} \right ) \left ( -{a}^{2}b-{x}^{2}\sqrt{{a}^{3}{b}^{3}} \right ) ^{-1}} \right ){\frac{1}{\sqrt{{a}^{3}{b}^{3}}}}}-{\frac{bd}{8}\ln \left ({1 \left ( -{a}^{2}b+{x}^{2}\sqrt{{a}^{3}{b}^{3}} \right ) \left ( -{a}^{2}b-{x}^{2}\sqrt{{a}^{3}{b}^{3}} \right ) ^{-1}} \right ){\frac{1}{\sqrt{{a}^{3}{b}^{3}}}}}+{\frac{3\,i}{8\,{b}^{2}}\arctan \left ({x{\frac{1}{\sqrt [4]{{\frac{a}{b}}}}}} \right ){\frac{1}{\sqrt [4]{{\frac{a}{b}}}}}}-{\frac{e}{8\,ab}\arctan \left ({x{\frac{1}{\sqrt [4]{{\frac{a}{b}}}}}} \right ){\frac{1}{\sqrt [4]{{\frac{a}{b}}}}}}-{\frac{3\,i}{16\,{b}^{2}}\ln \left ({1 \left ( x+\sqrt [4]{{\frac{a}{b}}} \right ) \left ( x-\sqrt [4]{{\frac{a}{b}}} \right ) ^{-1}} \right ){\frac{1}{\sqrt [4]{{\frac{a}{b}}}}}}+{\frac{e}{16\,ab}\ln \left ({1 \left ( x+\sqrt [4]{{\frac{a}{b}}} \right ) \left ( x-\sqrt [4]{{\frac{a}{b}}} \right ) ^{-1}} \right ){\frac{1}{\sqrt [4]{{\frac{a}{b}}}}}}+{\frac{j\ln \left ( ab \left ( b{x}^{4}-a \right ) \right ) }{4\,{b}^{2}}} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] int((j*x^7+i*x^6+h*x^5+g*x^4+f*x^3+e*x^2+d*x+c)/(-b*x^4+a)^2,x)
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Maxima [F] time = 0., size = 0, normalized size = 0. \[ \text{Exception raised: ValueError} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((j*x^7 + i*x^6 + h*x^5 + g*x^4 + f*x^3 + e*x^2 + d*x + c)/(b*x^4 - a)^2,x, algorithm="maxima")
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Fricas [F(-1)] time = 0., size = 0, normalized size = 0. \[ \text{Timed out} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((j*x^7 + i*x^6 + h*x^5 + g*x^4 + f*x^3 + e*x^2 + d*x + c)/(b*x^4 - a)^2,x, algorithm="fricas")
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Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \[ \text{Timed out} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((j*x**7+i*x**6+h*x**5+g*x**4+f*x**3+e*x**2+d*x+c)/(-b*x**4+a)**2,x)
[Out]
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GIAC/XCAS [A] time = 0.229775, size = 884, normalized size = 3.93 \[ \text{result too large to display} \]
Verification of antiderivative is not currently implemented for this CAS.
[In] integrate((j*x^7 + i*x^6 + h*x^5 + g*x^4 + f*x^3 + e*x^2 + d*x + c)/(b*x^4 - a)^2,x, algorithm="giac")
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