Integrand size = 15, antiderivative size = 200 \[ \int \frac {(c+d x)^7}{(a+b x)^{15}} \, dx=-\frac {(b c-a d)^7}{14 b^8 (a+b x)^{14}}-\frac {7 d (b c-a d)^6}{13 b^8 (a+b x)^{13}}-\frac {7 d^2 (b c-a d)^5}{4 b^8 (a+b x)^{12}}-\frac {35 d^3 (b c-a d)^4}{11 b^8 (a+b x)^{11}}-\frac {7 d^4 (b c-a d)^3}{2 b^8 (a+b x)^{10}}-\frac {7 d^5 (b c-a d)^2}{3 b^8 (a+b x)^9}-\frac {7 d^6 (b c-a d)}{8 b^8 (a+b x)^8}-\frac {d^7}{7 b^8 (a+b x)^7} \]
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Time = 0.10 (sec) , antiderivative size = 200, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.067, Rules used = {45} \[ \int \frac {(c+d x)^7}{(a+b x)^{15}} \, dx=-\frac {7 d^6 (b c-a d)}{8 b^8 (a+b x)^8}-\frac {7 d^5 (b c-a d)^2}{3 b^8 (a+b x)^9}-\frac {7 d^4 (b c-a d)^3}{2 b^8 (a+b x)^{10}}-\frac {35 d^3 (b c-a d)^4}{11 b^8 (a+b x)^{11}}-\frac {7 d^2 (b c-a d)^5}{4 b^8 (a+b x)^{12}}-\frac {7 d (b c-a d)^6}{13 b^8 (a+b x)^{13}}-\frac {(b c-a d)^7}{14 b^8 (a+b x)^{14}}-\frac {d^7}{7 b^8 (a+b x)^7} \]
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Rule 45
Rubi steps \begin{align*} \text {integral}& = \int \left (\frac {(b c-a d)^7}{b^7 (a+b x)^{15}}+\frac {7 d (b c-a d)^6}{b^7 (a+b x)^{14}}+\frac {21 d^2 (b c-a d)^5}{b^7 (a+b x)^{13}}+\frac {35 d^3 (b c-a d)^4}{b^7 (a+b x)^{12}}+\frac {35 d^4 (b c-a d)^3}{b^7 (a+b x)^{11}}+\frac {21 d^5 (b c-a d)^2}{b^7 (a+b x)^{10}}+\frac {7 d^6 (b c-a d)}{b^7 (a+b x)^9}+\frac {d^7}{b^7 (a+b x)^8}\right ) \, dx \\ & = -\frac {(b c-a d)^7}{14 b^8 (a+b x)^{14}}-\frac {7 d (b c-a d)^6}{13 b^8 (a+b x)^{13}}-\frac {7 d^2 (b c-a d)^5}{4 b^8 (a+b x)^{12}}-\frac {35 d^3 (b c-a d)^4}{11 b^8 (a+b x)^{11}}-\frac {7 d^4 (b c-a d)^3}{2 b^8 (a+b x)^{10}}-\frac {7 d^5 (b c-a d)^2}{3 b^8 (a+b x)^9}-\frac {7 d^6 (b c-a d)}{8 b^8 (a+b x)^8}-\frac {d^7}{7 b^8 (a+b x)^7} \\ \end{align*}
Time = 0.08 (sec) , antiderivative size = 371, normalized size of antiderivative = 1.86 \[ \int \frac {(c+d x)^7}{(a+b x)^{15}} \, dx=-\frac {a^7 d^7+7 a^6 b d^6 (c+2 d x)+7 a^5 b^2 d^5 \left (4 c^2+14 c d x+13 d^2 x^2\right )+7 a^4 b^3 d^4 \left (12 c^3+56 c^2 d x+91 c d^2 x^2+52 d^3 x^3\right )+7 a^3 b^4 d^3 \left (30 c^4+168 c^3 d x+364 c^2 d^2 x^2+364 c d^3 x^3+143 d^4 x^4\right )+7 a^2 b^5 d^2 \left (66 c^5+420 c^4 d x+1092 c^3 d^2 x^2+1456 c^2 d^3 x^3+1001 c d^4 x^4+286 d^5 x^5\right )+7 a b^6 d \left (132 c^6+924 c^5 d x+2730 c^4 d^2 x^2+4368 c^3 d^3 x^3+4004 c^2 d^4 x^4+2002 c d^5 x^5+429 d^6 x^6\right )+b^7 \left (1716 c^7+12936 c^6 d x+42042 c^5 d^2 x^2+76440 c^4 d^3 x^3+84084 c^3 d^4 x^4+56056 c^2 d^5 x^5+21021 c d^6 x^6+3432 d^7 x^7\right )}{24024 b^8 (a+b x)^{14}} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(437\) vs. \(2(184)=368\).
Time = 0.23 (sec) , antiderivative size = 438, normalized size of antiderivative = 2.19
method | result | size |
risch | \(\frac {-\frac {d^{7} x^{7}}{7 b}-\frac {d^{6} \left (a d +7 b c \right ) x^{6}}{8 b^{2}}-\frac {d^{5} \left (a^{2} d^{2}+7 a b c d +28 b^{2} c^{2}\right ) x^{5}}{12 b^{3}}-\frac {d^{4} \left (a^{3} d^{3}+7 a^{2} b c \,d^{2}+28 a \,b^{2} c^{2} d +84 b^{3} c^{3}\right ) x^{4}}{24 b^{4}}-\frac {d^{3} \left (a^{4} d^{4}+7 a^{3} b c \,d^{3}+28 a^{2} b^{2} c^{2} d^{2}+84 a \,b^{3} c^{3} d +210 b^{4} c^{4}\right ) x^{3}}{66 b^{5}}-\frac {d^{2} \left (a^{5} d^{5}+7 a^{4} b c \,d^{4}+28 a^{3} b^{2} c^{2} d^{3}+84 a^{2} b^{3} c^{3} d^{2}+210 a \,b^{4} c^{4} d +462 b^{5} c^{5}\right ) x^{2}}{264 b^{6}}-\frac {d \left (a^{6} d^{6}+7 a^{5} b c \,d^{5}+28 a^{4} b^{2} c^{2} d^{4}+84 a^{3} b^{3} c^{3} d^{3}+210 a^{2} b^{4} c^{4} d^{2}+462 a \,b^{5} c^{5} d +924 b^{6} c^{6}\right ) x}{1716 b^{7}}-\frac {a^{7} d^{7}+7 a^{6} b c \,d^{6}+28 a^{5} b^{2} c^{2} d^{5}+84 a^{4} b^{3} c^{3} d^{4}+210 a^{3} b^{4} c^{4} d^{3}+462 a^{2} b^{5} c^{5} d^{2}+924 a \,b^{6} c^{6} d +1716 b^{7} c^{7}}{24024 b^{8}}}{\left (b x +a \right )^{14}}\) | \(438\) |
default | \(-\frac {35 d^{3} \left (a^{4} d^{4}-4 a^{3} b c \,d^{3}+6 a^{2} b^{2} c^{2} d^{2}-4 a \,b^{3} c^{3} d +b^{4} c^{4}\right )}{11 b^{8} \left (b x +a \right )^{11}}-\frac {7 d \left (a^{6} d^{6}-6 a^{5} b c \,d^{5}+15 a^{4} b^{2} c^{2} d^{4}-20 a^{3} b^{3} c^{3} d^{3}+15 a^{2} b^{4} c^{4} d^{2}-6 a \,b^{5} c^{5} d +b^{6} c^{6}\right )}{13 b^{8} \left (b x +a \right )^{13}}-\frac {7 d^{5} \left (a^{2} d^{2}-2 a b c d +b^{2} c^{2}\right )}{3 b^{8} \left (b x +a \right )^{9}}+\frac {7 d^{6} \left (a d -b c \right )}{8 b^{8} \left (b x +a \right )^{8}}-\frac {-a^{7} d^{7}+7 a^{6} b c \,d^{6}-21 a^{5} b^{2} c^{2} d^{5}+35 a^{4} b^{3} c^{3} d^{4}-35 a^{3} b^{4} c^{4} d^{3}+21 a^{2} b^{5} c^{5} d^{2}-7 a \,b^{6} c^{6} d +b^{7} c^{7}}{14 b^{8} \left (b x +a \right )^{14}}+\frac {7 d^{2} \left (a^{5} d^{5}-5 a^{4} b c \,d^{4}+10 a^{3} b^{2} c^{2} d^{3}-10 a^{2} b^{3} c^{3} d^{2}+5 a \,b^{4} c^{4} d -b^{5} c^{5}\right )}{4 b^{8} \left (b x +a \right )^{12}}-\frac {d^{7}}{7 b^{8} \left (b x +a \right )^{7}}+\frac {7 d^{4} \left (a^{3} d^{3}-3 a^{2} b c \,d^{2}+3 a \,b^{2} c^{2} d -b^{3} c^{3}\right )}{2 b^{8} \left (b x +a \right )^{10}}\) | \(464\) |
norman | \(\frac {\frac {-a^{7} b^{6} d^{7}-7 a^{6} b^{7} c \,d^{6}-28 a^{5} b^{8} c^{2} d^{5}-84 a^{4} b^{9} c^{3} d^{4}-210 a^{3} b^{10} c^{4} d^{3}-462 a^{2} c^{5} d^{2} b^{11}-924 a \,b^{12} c^{6} d -1716 b^{13} c^{7}}{24024 b^{14}}+\frac {\left (-a^{6} b^{6} d^{7}-7 a^{5} b^{7} c \,d^{6}-28 a^{4} b^{8} c^{2} d^{5}-84 a^{3} b^{9} c^{3} d^{4}-210 a^{2} b^{10} c^{4} d^{3}-462 a \,b^{11} c^{5} d^{2}-924 b^{12} c^{6} d \right ) x}{1716 b^{13}}+\frac {\left (-a^{5} b^{6} d^{7}-7 a^{4} b^{7} c \,d^{6}-28 a^{3} b^{8} c^{2} d^{5}-84 a^{2} b^{9} c^{3} d^{4}-210 a \,b^{10} c^{4} d^{3}-462 c^{5} d^{2} b^{11}\right ) x^{2}}{264 b^{12}}+\frac {\left (-a^{4} b^{6} d^{7}-7 a^{3} b^{7} c \,d^{6}-28 a^{2} b^{8} c^{2} d^{5}-84 a \,b^{9} c^{3} d^{4}-210 b^{10} c^{4} d^{3}\right ) x^{3}}{66 b^{11}}+\frac {\left (-a^{3} b^{6} d^{7}-7 a^{2} b^{7} c \,d^{6}-28 a \,b^{8} c^{2} d^{5}-84 b^{9} c^{3} d^{4}\right ) x^{4}}{24 b^{10}}+\frac {\left (-a^{2} b^{6} d^{7}-7 a \,b^{7} c \,d^{6}-28 b^{8} c^{2} d^{5}\right ) x^{5}}{12 b^{9}}+\frac {\left (-a \,b^{6} d^{7}-7 b^{7} c \,d^{6}\right ) x^{6}}{8 b^{8}}-\frac {d^{7} x^{7}}{7 b}}{\left (b x +a \right )^{14}}\) | \(492\) |
gosper | \(-\frac {3432 x^{7} d^{7} b^{7}+3003 x^{6} a \,b^{6} d^{7}+21021 x^{6} b^{7} c \,d^{6}+2002 x^{5} a^{2} b^{5} d^{7}+14014 x^{5} a \,b^{6} c \,d^{6}+56056 x^{5} b^{7} c^{2} d^{5}+1001 x^{4} a^{3} b^{4} d^{7}+7007 x^{4} a^{2} b^{5} c \,d^{6}+28028 x^{4} a \,b^{6} c^{2} d^{5}+84084 x^{4} b^{7} c^{3} d^{4}+364 x^{3} a^{4} b^{3} d^{7}+2548 x^{3} a^{3} b^{4} c \,d^{6}+10192 x^{3} a^{2} b^{5} c^{2} d^{5}+30576 x^{3} a \,b^{6} c^{3} d^{4}+76440 x^{3} b^{7} c^{4} d^{3}+91 x^{2} a^{5} b^{2} d^{7}+637 x^{2} a^{4} b^{3} c \,d^{6}+2548 x^{2} a^{3} b^{4} c^{2} d^{5}+7644 x^{2} a^{2} b^{5} c^{3} d^{4}+19110 x^{2} a \,b^{6} c^{4} d^{3}+42042 x^{2} b^{7} c^{5} d^{2}+14 x \,a^{6} b \,d^{7}+98 x \,a^{5} b^{2} c \,d^{6}+392 x \,a^{4} b^{3} c^{2} d^{5}+1176 x \,a^{3} b^{4} c^{3} d^{4}+2940 x \,a^{2} b^{5} c^{4} d^{3}+6468 x a \,b^{6} c^{5} d^{2}+12936 x \,b^{7} c^{6} d +a^{7} d^{7}+7 a^{6} b c \,d^{6}+28 a^{5} b^{2} c^{2} d^{5}+84 a^{4} b^{3} c^{3} d^{4}+210 a^{3} b^{4} c^{4} d^{3}+462 a^{2} b^{5} c^{5} d^{2}+924 a \,b^{6} c^{6} d +1716 b^{7} c^{7}}{24024 b^{8} \left (b x +a \right )^{14}}\) | \(497\) |
parallelrisch | \(\frac {-3432 d^{7} x^{7} b^{13}-3003 a \,b^{12} d^{7} x^{6}-21021 b^{13} c \,d^{6} x^{6}-2002 a^{2} b^{11} d^{7} x^{5}-14014 a \,b^{12} c \,d^{6} x^{5}-56056 b^{13} c^{2} d^{5} x^{5}-1001 a^{3} b^{10} d^{7} x^{4}-7007 a^{2} b^{11} c \,d^{6} x^{4}-28028 a \,b^{12} c^{2} d^{5} x^{4}-84084 b^{13} c^{3} d^{4} x^{4}-364 a^{4} b^{9} d^{7} x^{3}-2548 a^{3} b^{10} c \,d^{6} x^{3}-10192 a^{2} b^{11} c^{2} d^{5} x^{3}-30576 a \,b^{12} c^{3} d^{4} x^{3}-76440 b^{13} c^{4} d^{3} x^{3}-91 a^{5} b^{8} d^{7} x^{2}-637 a^{4} b^{9} c \,d^{6} x^{2}-2548 a^{3} b^{10} c^{2} d^{5} x^{2}-7644 a^{2} b^{11} c^{3} d^{4} x^{2}-19110 a \,b^{12} c^{4} d^{3} x^{2}-42042 b^{13} c^{5} d^{2} x^{2}-14 a^{6} b^{7} d^{7} x -98 a^{5} b^{8} c \,d^{6} x -392 a^{4} b^{9} c^{2} d^{5} x -1176 a^{3} b^{10} c^{3} d^{4} x -2940 a^{2} b^{11} c^{4} d^{3} x -6468 a \,b^{12} c^{5} d^{2} x -12936 b^{13} c^{6} d x -a^{7} b^{6} d^{7}-7 a^{6} b^{7} c \,d^{6}-28 a^{5} b^{8} c^{2} d^{5}-84 a^{4} b^{9} c^{3} d^{4}-210 a^{3} b^{10} c^{4} d^{3}-462 a^{2} c^{5} d^{2} b^{11}-924 a \,b^{12} c^{6} d -1716 b^{13} c^{7}}{24024 b^{14} \left (b x +a \right )^{14}}\) | \(505\) |
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Leaf count of result is larger than twice the leaf count of optimal. 603 vs. \(2 (184) = 368\).
Time = 0.23 (sec) , antiderivative size = 603, normalized size of antiderivative = 3.02 \[ \int \frac {(c+d x)^7}{(a+b x)^{15}} \, dx=-\frac {3432 \, b^{7} d^{7} x^{7} + 1716 \, b^{7} c^{7} + 924 \, a b^{6} c^{6} d + 462 \, a^{2} b^{5} c^{5} d^{2} + 210 \, a^{3} b^{4} c^{4} d^{3} + 84 \, a^{4} b^{3} c^{3} d^{4} + 28 \, a^{5} b^{2} c^{2} d^{5} + 7 \, a^{6} b c d^{6} + a^{7} d^{7} + 3003 \, {\left (7 \, b^{7} c d^{6} + a b^{6} d^{7}\right )} x^{6} + 2002 \, {\left (28 \, b^{7} c^{2} d^{5} + 7 \, a b^{6} c d^{6} + a^{2} b^{5} d^{7}\right )} x^{5} + 1001 \, {\left (84 \, b^{7} c^{3} d^{4} + 28 \, a b^{6} c^{2} d^{5} + 7 \, a^{2} b^{5} c d^{6} + a^{3} b^{4} d^{7}\right )} x^{4} + 364 \, {\left (210 \, b^{7} c^{4} d^{3} + 84 \, a b^{6} c^{3} d^{4} + 28 \, a^{2} b^{5} c^{2} d^{5} + 7 \, a^{3} b^{4} c d^{6} + a^{4} b^{3} d^{7}\right )} x^{3} + 91 \, {\left (462 \, b^{7} c^{5} d^{2} + 210 \, a b^{6} c^{4} d^{3} + 84 \, a^{2} b^{5} c^{3} d^{4} + 28 \, a^{3} b^{4} c^{2} d^{5} + 7 \, a^{4} b^{3} c d^{6} + a^{5} b^{2} d^{7}\right )} x^{2} + 14 \, {\left (924 \, b^{7} c^{6} d + 462 \, a b^{6} c^{5} d^{2} + 210 \, a^{2} b^{5} c^{4} d^{3} + 84 \, a^{3} b^{4} c^{3} d^{4} + 28 \, a^{4} b^{3} c^{2} d^{5} + 7 \, a^{5} b^{2} c d^{6} + a^{6} b d^{7}\right )} x}{24024 \, {\left (b^{22} x^{14} + 14 \, a b^{21} x^{13} + 91 \, a^{2} b^{20} x^{12} + 364 \, a^{3} b^{19} x^{11} + 1001 \, a^{4} b^{18} x^{10} + 2002 \, a^{5} b^{17} x^{9} + 3003 \, a^{6} b^{16} x^{8} + 3432 \, a^{7} b^{15} x^{7} + 3003 \, a^{8} b^{14} x^{6} + 2002 \, a^{9} b^{13} x^{5} + 1001 \, a^{10} b^{12} x^{4} + 364 \, a^{11} b^{11} x^{3} + 91 \, a^{12} b^{10} x^{2} + 14 \, a^{13} b^{9} x + a^{14} b^{8}\right )}} \]
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Timed out. \[ \int \frac {(c+d x)^7}{(a+b x)^{15}} \, dx=\text {Timed out} \]
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Leaf count of result is larger than twice the leaf count of optimal. 603 vs. \(2 (184) = 368\).
Time = 0.24 (sec) , antiderivative size = 603, normalized size of antiderivative = 3.02 \[ \int \frac {(c+d x)^7}{(a+b x)^{15}} \, dx=-\frac {3432 \, b^{7} d^{7} x^{7} + 1716 \, b^{7} c^{7} + 924 \, a b^{6} c^{6} d + 462 \, a^{2} b^{5} c^{5} d^{2} + 210 \, a^{3} b^{4} c^{4} d^{3} + 84 \, a^{4} b^{3} c^{3} d^{4} + 28 \, a^{5} b^{2} c^{2} d^{5} + 7 \, a^{6} b c d^{6} + a^{7} d^{7} + 3003 \, {\left (7 \, b^{7} c d^{6} + a b^{6} d^{7}\right )} x^{6} + 2002 \, {\left (28 \, b^{7} c^{2} d^{5} + 7 \, a b^{6} c d^{6} + a^{2} b^{5} d^{7}\right )} x^{5} + 1001 \, {\left (84 \, b^{7} c^{3} d^{4} + 28 \, a b^{6} c^{2} d^{5} + 7 \, a^{2} b^{5} c d^{6} + a^{3} b^{4} d^{7}\right )} x^{4} + 364 \, {\left (210 \, b^{7} c^{4} d^{3} + 84 \, a b^{6} c^{3} d^{4} + 28 \, a^{2} b^{5} c^{2} d^{5} + 7 \, a^{3} b^{4} c d^{6} + a^{4} b^{3} d^{7}\right )} x^{3} + 91 \, {\left (462 \, b^{7} c^{5} d^{2} + 210 \, a b^{6} c^{4} d^{3} + 84 \, a^{2} b^{5} c^{3} d^{4} + 28 \, a^{3} b^{4} c^{2} d^{5} + 7 \, a^{4} b^{3} c d^{6} + a^{5} b^{2} d^{7}\right )} x^{2} + 14 \, {\left (924 \, b^{7} c^{6} d + 462 \, a b^{6} c^{5} d^{2} + 210 \, a^{2} b^{5} c^{4} d^{3} + 84 \, a^{3} b^{4} c^{3} d^{4} + 28 \, a^{4} b^{3} c^{2} d^{5} + 7 \, a^{5} b^{2} c d^{6} + a^{6} b d^{7}\right )} x}{24024 \, {\left (b^{22} x^{14} + 14 \, a b^{21} x^{13} + 91 \, a^{2} b^{20} x^{12} + 364 \, a^{3} b^{19} x^{11} + 1001 \, a^{4} b^{18} x^{10} + 2002 \, a^{5} b^{17} x^{9} + 3003 \, a^{6} b^{16} x^{8} + 3432 \, a^{7} b^{15} x^{7} + 3003 \, a^{8} b^{14} x^{6} + 2002 \, a^{9} b^{13} x^{5} + 1001 \, a^{10} b^{12} x^{4} + 364 \, a^{11} b^{11} x^{3} + 91 \, a^{12} b^{10} x^{2} + 14 \, a^{13} b^{9} x + a^{14} b^{8}\right )}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 496 vs. \(2 (184) = 368\).
Time = 0.30 (sec) , antiderivative size = 496, normalized size of antiderivative = 2.48 \[ \int \frac {(c+d x)^7}{(a+b x)^{15}} \, dx=-\frac {3432 \, b^{7} d^{7} x^{7} + 21021 \, b^{7} c d^{6} x^{6} + 3003 \, a b^{6} d^{7} x^{6} + 56056 \, b^{7} c^{2} d^{5} x^{5} + 14014 \, a b^{6} c d^{6} x^{5} + 2002 \, a^{2} b^{5} d^{7} x^{5} + 84084 \, b^{7} c^{3} d^{4} x^{4} + 28028 \, a b^{6} c^{2} d^{5} x^{4} + 7007 \, a^{2} b^{5} c d^{6} x^{4} + 1001 \, a^{3} b^{4} d^{7} x^{4} + 76440 \, b^{7} c^{4} d^{3} x^{3} + 30576 \, a b^{6} c^{3} d^{4} x^{3} + 10192 \, a^{2} b^{5} c^{2} d^{5} x^{3} + 2548 \, a^{3} b^{4} c d^{6} x^{3} + 364 \, a^{4} b^{3} d^{7} x^{3} + 42042 \, b^{7} c^{5} d^{2} x^{2} + 19110 \, a b^{6} c^{4} d^{3} x^{2} + 7644 \, a^{2} b^{5} c^{3} d^{4} x^{2} + 2548 \, a^{3} b^{4} c^{2} d^{5} x^{2} + 637 \, a^{4} b^{3} c d^{6} x^{2} + 91 \, a^{5} b^{2} d^{7} x^{2} + 12936 \, b^{7} c^{6} d x + 6468 \, a b^{6} c^{5} d^{2} x + 2940 \, a^{2} b^{5} c^{4} d^{3} x + 1176 \, a^{3} b^{4} c^{3} d^{4} x + 392 \, a^{4} b^{3} c^{2} d^{5} x + 98 \, a^{5} b^{2} c d^{6} x + 14 \, a^{6} b d^{7} x + 1716 \, b^{7} c^{7} + 924 \, a b^{6} c^{6} d + 462 \, a^{2} b^{5} c^{5} d^{2} + 210 \, a^{3} b^{4} c^{4} d^{3} + 84 \, a^{4} b^{3} c^{3} d^{4} + 28 \, a^{5} b^{2} c^{2} d^{5} + 7 \, a^{6} b c d^{6} + a^{7} d^{7}}{24024 \, {\left (b x + a\right )}^{14} b^{8}} \]
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Time = 1.31 (sec) , antiderivative size = 581, normalized size of antiderivative = 2.90 \[ \int \frac {(c+d x)^7}{(a+b x)^{15}} \, dx=-\frac {\frac {a^7\,d^7+7\,a^6\,b\,c\,d^6+28\,a^5\,b^2\,c^2\,d^5+84\,a^4\,b^3\,c^3\,d^4+210\,a^3\,b^4\,c^4\,d^3+462\,a^2\,b^5\,c^5\,d^2+924\,a\,b^6\,c^6\,d+1716\,b^7\,c^7}{24024\,b^8}+\frac {d^7\,x^7}{7\,b}+\frac {d^2\,x^2\,\left (a^5\,d^5+7\,a^4\,b\,c\,d^4+28\,a^3\,b^2\,c^2\,d^3+84\,a^2\,b^3\,c^3\,d^2+210\,a\,b^4\,c^4\,d+462\,b^5\,c^5\right )}{264\,b^6}+\frac {d^4\,x^4\,\left (a^3\,d^3+7\,a^2\,b\,c\,d^2+28\,a\,b^2\,c^2\,d+84\,b^3\,c^3\right )}{24\,b^4}+\frac {d^6\,x^6\,\left (a\,d+7\,b\,c\right )}{8\,b^2}+\frac {d^3\,x^3\,\left (a^4\,d^4+7\,a^3\,b\,c\,d^3+28\,a^2\,b^2\,c^2\,d^2+84\,a\,b^3\,c^3\,d+210\,b^4\,c^4\right )}{66\,b^5}+\frac {d\,x\,\left (a^6\,d^6+7\,a^5\,b\,c\,d^5+28\,a^4\,b^2\,c^2\,d^4+84\,a^3\,b^3\,c^3\,d^3+210\,a^2\,b^4\,c^4\,d^2+462\,a\,b^5\,c^5\,d+924\,b^6\,c^6\right )}{1716\,b^7}+\frac {d^5\,x^5\,\left (a^2\,d^2+7\,a\,b\,c\,d+28\,b^2\,c^2\right )}{12\,b^3}}{a^{14}+14\,a^{13}\,b\,x+91\,a^{12}\,b^2\,x^2+364\,a^{11}\,b^3\,x^3+1001\,a^{10}\,b^4\,x^4+2002\,a^9\,b^5\,x^5+3003\,a^8\,b^6\,x^6+3432\,a^7\,b^7\,x^7+3003\,a^6\,b^8\,x^8+2002\,a^5\,b^9\,x^9+1001\,a^4\,b^{10}\,x^{10}+364\,a^3\,b^{11}\,x^{11}+91\,a^2\,b^{12}\,x^{12}+14\,a\,b^{13}\,x^{13}+b^{14}\,x^{14}} \]
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