3.11.89 \(\int (1-x)^{9/2} (1+x)^{5/2} \, dx\) [1089]

Optimal. Leaf size=110 \[ \frac {45}{128} \sqrt {1-x} x \sqrt {1+x}+\frac {15}{64} (1-x)^{3/2} x (1+x)^{3/2}+\frac {3}{16} (1-x)^{5/2} x (1+x)^{5/2}+\frac {9}{56} (1-x)^{7/2} (1+x)^{7/2}+\frac {1}{8} (1-x)^{9/2} (1+x)^{7/2}+\frac {45}{128} \sin ^{-1}(x) \]

[Out]

15/64*(1-x)^(3/2)*x*(1+x)^(3/2)+3/16*(1-x)^(5/2)*x*(1+x)^(5/2)+9/56*(1-x)^(7/2)*(1+x)^(7/2)+1/8*(1-x)^(9/2)*(1
+x)^(7/2)+45/128*arcsin(x)+45/128*x*(1-x)^(1/2)*(1+x)^(1/2)

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Rubi [A]
time = 0.01, antiderivative size = 110, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 4, integrand size = 17, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.235, Rules used = {51, 38, 41, 222} \begin {gather*} \frac {1}{8} (x+1)^{7/2} (1-x)^{9/2}+\frac {9}{56} (x+1)^{7/2} (1-x)^{7/2}+\frac {3}{16} x (x+1)^{5/2} (1-x)^{5/2}+\frac {15}{64} x (x+1)^{3/2} (1-x)^{3/2}+\frac {45}{128} x \sqrt {x+1} \sqrt {1-x}+\frac {45}{128} \sin ^{-1}(x) \end {gather*}

Antiderivative was successfully verified.

[In]

Int[(1 - x)^(9/2)*(1 + x)^(5/2),x]

[Out]

(45*Sqrt[1 - x]*x*Sqrt[1 + x])/128 + (15*(1 - x)^(3/2)*x*(1 + x)^(3/2))/64 + (3*(1 - x)^(5/2)*x*(1 + x)^(5/2))
/16 + (9*(1 - x)^(7/2)*(1 + x)^(7/2))/56 + ((1 - x)^(9/2)*(1 + x)^(7/2))/8 + (45*ArcSin[x])/128

Rule 38

Int[((a_) + (b_.)*(x_))^(m_)*((c_) + (d_.)*(x_))^(m_), x_Symbol] :> Simp[x*(a + b*x)^m*((c + d*x)^m/(2*m + 1))
, x] + Dist[2*a*c*(m/(2*m + 1)), Int[(a + b*x)^(m - 1)*(c + d*x)^(m - 1), x], x] /; FreeQ[{a, b, c, d}, x] &&
EqQ[b*c + a*d, 0] && IGtQ[m + 1/2, 0]

Rule 41

Int[((a_) + (b_.)*(x_))^(m_.)*((c_) + (d_.)*(x_))^(m_.), x_Symbol] :> Int[(a*c + b*d*x^2)^m, x] /; FreeQ[{a, b
, c, d, m}, x] && EqQ[b*c + a*d, 0] && (IntegerQ[m] || (GtQ[a, 0] && GtQ[c, 0]))

Rule 51

Int[((a_) + (b_.)*(x_))^(m_)*((c_) + (d_.)*(x_))^(n_), x_Symbol] :> Simp[(a + b*x)^(m + 1)*((c + d*x)^n/(b*(m
+ n + 1))), x] + Dist[2*c*(n/(m + n + 1)), Int[(a + b*x)^m*(c + d*x)^(n - 1), x], x] /; FreeQ[{a, b, c, d}, x]
&& EqQ[b*c + a*d, 0] && IGtQ[m + 1/2, 0] && IGtQ[n + 1/2, 0] && LtQ[m, n]

Rule 222

Int[1/Sqrt[(a_) + (b_.)*(x_)^2], x_Symbol] :> Simp[ArcSin[Rt[-b, 2]*(x/Sqrt[a])]/Rt[-b, 2], x] /; FreeQ[{a, b}
, x] && GtQ[a, 0] && NegQ[b]

Rubi steps

\begin {align*} \int (1-x)^{9/2} (1+x)^{5/2} \, dx &=\frac {1}{8} (1-x)^{9/2} (1+x)^{7/2}+\frac {9}{8} \int (1-x)^{7/2} (1+x)^{5/2} \, dx\\ &=\frac {9}{56} (1-x)^{7/2} (1+x)^{7/2}+\frac {1}{8} (1-x)^{9/2} (1+x)^{7/2}+\frac {9}{8} \int (1-x)^{5/2} (1+x)^{5/2} \, dx\\ &=\frac {3}{16} (1-x)^{5/2} x (1+x)^{5/2}+\frac {9}{56} (1-x)^{7/2} (1+x)^{7/2}+\frac {1}{8} (1-x)^{9/2} (1+x)^{7/2}+\frac {15}{16} \int (1-x)^{3/2} (1+x)^{3/2} \, dx\\ &=\frac {15}{64} (1-x)^{3/2} x (1+x)^{3/2}+\frac {3}{16} (1-x)^{5/2} x (1+x)^{5/2}+\frac {9}{56} (1-x)^{7/2} (1+x)^{7/2}+\frac {1}{8} (1-x)^{9/2} (1+x)^{7/2}+\frac {45}{64} \int \sqrt {1-x} \sqrt {1+x} \, dx\\ &=\frac {45}{128} \sqrt {1-x} x \sqrt {1+x}+\frac {15}{64} (1-x)^{3/2} x (1+x)^{3/2}+\frac {3}{16} (1-x)^{5/2} x (1+x)^{5/2}+\frac {9}{56} (1-x)^{7/2} (1+x)^{7/2}+\frac {1}{8} (1-x)^{9/2} (1+x)^{7/2}+\frac {45}{128} \int \frac {1}{\sqrt {1-x} \sqrt {1+x}} \, dx\\ &=\frac {45}{128} \sqrt {1-x} x \sqrt {1+x}+\frac {15}{64} (1-x)^{3/2} x (1+x)^{3/2}+\frac {3}{16} (1-x)^{5/2} x (1+x)^{5/2}+\frac {9}{56} (1-x)^{7/2} (1+x)^{7/2}+\frac {1}{8} (1-x)^{9/2} (1+x)^{7/2}+\frac {45}{128} \int \frac {1}{\sqrt {1-x^2}} \, dx\\ &=\frac {45}{128} \sqrt {1-x} x \sqrt {1+x}+\frac {15}{64} (1-x)^{3/2} x (1+x)^{3/2}+\frac {3}{16} (1-x)^{5/2} x (1+x)^{5/2}+\frac {9}{56} (1-x)^{7/2} (1+x)^{7/2}+\frac {1}{8} (1-x)^{9/2} (1+x)^{7/2}+\frac {45}{128} \sin ^{-1}(x)\\ \end {align*}

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Mathematica [A]
time = 0.14, size = 82, normalized size = 0.75 \begin {gather*} \frac {1}{896} \left (\frac {\sqrt {1-x} \left (256+837 x-187 x^2-978 x^3+558 x^4+600 x^5-424 x^6-144 x^7+112 x^8\right )}{\sqrt {1+x}}-630 \tan ^{-1}\left (\frac {\sqrt {1-x}}{\sqrt {1+x}}\right )\right ) \end {gather*}

Antiderivative was successfully verified.

[In]

Integrate[(1 - x)^(9/2)*(1 + x)^(5/2),x]

[Out]

((Sqrt[1 - x]*(256 + 837*x - 187*x^2 - 978*x^3 + 558*x^4 + 600*x^5 - 424*x^6 - 144*x^7 + 112*x^8))/Sqrt[1 + x]
- 630*ArcTan[Sqrt[1 - x]/Sqrt[1 + x]])/896

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Mathics [F(-1)]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Timed out} \end {gather*}

Warning: Unable to verify antiderivative.

[In]

mathics('Integrate[(1 - x)^(9/2)*(1 + x)^(5/2),x]')

[Out]

Timed out

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Maple [A]
time = 0.14, size = 141, normalized size = 1.28

method	result	size
risch	\(-\frac {\left (112 x^{7}-256 x^{6}-168 x^{5}+768 x^{4}-210 x^{3}-768 x^{2}+581 x +256\right ) \sqrt {1+x}\, \left (-1+x \right ) \sqrt {\left (1+x \right ) \left (1-x \right )}}{896 \sqrt {-\left (1+x \right ) \left (-1+x \right )}\, \sqrt {1-x}}+\frac {45 \sqrt {\left (1+x \right ) \left (1-x \right )}\, \arcsin \left (x \right )}{128 \sqrt {1+x}\, \sqrt {1-x}}\)	\(102\)
default	\(\frac {\left (1-x \right )^{\frac {9}{2}} \left (1+x \right )^{\frac {7}{2}}}{8}+\frac {9 \left (1-x \right )^{\frac {7}{2}} \left (1+x \right )^{\frac {7}{2}}}{56}+\frac {3 \left (1-x \right )^{\frac {5}{2}} \left (1+x \right )^{\frac {7}{2}}}{16}+\frac {3 \left (1-x \right )^{\frac {3}{2}} \left (1+x \right )^{\frac {7}{2}}}{16}+\frac {9 \sqrt {1-x}\, \left (1+x \right )^{\frac {7}{2}}}{64}-\frac {3 \sqrt {1-x}\, \left (1+x \right )^{\frac {5}{2}}}{64}-\frac {15 \sqrt {1-x}\, \left (1+x \right )^{\frac {3}{2}}}{128}-\frac {45 \sqrt {1-x}\, \sqrt {1+x}}{128}+\frac {45 \sqrt {\left (1+x \right ) \left (1-x \right )}\, \arcsin \left (x \right )}{128 \sqrt {1+x}\, \sqrt {1-x}}\)	\(141\)

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((1-x)^(9/2)*(1+x)^(5/2),x,method=_RETURNVERBOSE)

[Out]

1/8*(1-x)^(9/2)*(1+x)^(7/2)+9/56*(1-x)^(7/2)*(1+x)^(7/2)+3/16*(1-x)^(5/2)*(1+x)^(7/2)+3/16*(1-x)^(3/2)*(1+x)^(
7/2)+9/64*(1-x)^(1/2)*(1+x)^(7/2)-3/64*(1-x)^(1/2)*(1+x)^(5/2)-15/128*(1-x)^(1/2)*(1+x)^(3/2)-45/128*(1-x)^(1/
2)*(1+x)^(1/2)+45/128*((1+x)*(1-x))^(1/2)/(1+x)^(1/2)/(1-x)^(1/2)*arcsin(x)

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Maxima [A]
time = 0.35, size = 64, normalized size = 0.58 \begin {gather*} -\frac {1}{8} \, {\left (-x^{2} + 1\right )}^{\frac {7}{2}} x + \frac {2}{7} \, {\left (-x^{2} + 1\right )}^{\frac {7}{2}} + \frac {3}{16} \, {\left (-x^{2} + 1\right )}^{\frac {5}{2}} x + \frac {15}{64} \, {\left (-x^{2} + 1\right )}^{\frac {3}{2}} x + \frac {45}{128} \, \sqrt {-x^{2} + 1} x + \frac {45}{128} \, \arcsin \left (x\right ) \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((1-x)^(9/2)*(1+x)^(5/2),x, algorithm="maxima")

[Out]

-1/8*(-x^2 + 1)^(7/2)*x + 2/7*(-x^2 + 1)^(7/2) + 3/16*(-x^2 + 1)^(5/2)*x + 15/64*(-x^2 + 1)^(3/2)*x + 45/128*s
qrt(-x^2 + 1)*x + 45/128*arcsin(x)

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Fricas [A]
time = 0.30, size = 72, normalized size = 0.65 \begin {gather*} \frac {1}{896} \, {\left (112 \, x^{7} - 256 \, x^{6} - 168 \, x^{5} + 768 \, x^{4} - 210 \, x^{3} - 768 \, x^{2} + 581 \, x + 256\right )} \sqrt {x + 1} \sqrt {-x + 1} - \frac {45}{64} \, \arctan \left (\frac {\sqrt {x + 1} \sqrt {-x + 1} - 1}{x}\right ) \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((1-x)^(9/2)*(1+x)^(5/2),x, algorithm="fricas")

[Out]

1/896*(112*x^7 - 256*x^6 - 168*x^5 + 768*x^4 - 210*x^3 - 768*x^2 + 581*x + 256)*sqrt(x + 1)*sqrt(-x + 1) - 45/
64*arctan((sqrt(x + 1)*sqrt(-x + 1) - 1)/x)

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Sympy [F(-1)]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Timed out} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((1-x)**(9/2)*(1+x)**(5/2),x)

[Out]

Timed out

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Giac [B] Leaf count of result is larger than twice the leaf count of optimal. 299 vs. \(2 (78) = 156\).
time = 0.05, size = 954, normalized size = 8.67 \begin {gather*} 2 \left (2 \left (\left (\left (\left (\left (\left (\left (\frac {57}{224}-\frac {1}{32} \sqrt {-x+1} \sqrt {-x+1}\right ) \sqrt {-x+1} \sqrt {-x+1}-\frac {1219}{1344}\right ) \sqrt {-x+1} \sqrt {-x+1}+\frac {12463}{6720}\right ) \sqrt {-x+1} \sqrt {-x+1}-\frac {21411}{8960}\right ) \sqrt {-x+1} \sqrt {-x+1}+\frac {7709}{3840}\right ) \sqrt {-x+1} \sqrt {-x+1}-\frac {1699}{1536}\right ) \sqrt {-x+1} \sqrt {-x+1}+\frac {221}{512}\right ) \sqrt {-x+1} \sqrt {x+1}+\frac {35}{128} \arcsin \left (\frac {\sqrt {-x+1}}{\sqrt {2}}\right )\right )-6 \left (2 \left (\left (\left (\left (\left (\left (\frac {1}{28} \sqrt {-x+1} \sqrt {-x+1}-\frac {43}{168}\right ) \sqrt {-x+1} \sqrt {-x+1}+\frac {661}{840}\right ) \sqrt {-x+1} \sqrt {-x+1}-\frac {1517}{1120}\right ) \sqrt {-x+1} \sqrt {-x+1}+\frac {683}{480}\right ) \sqrt {-x+1} \sqrt {-x+1}-\frac {181}{192}\right ) \sqrt {-x+1} \sqrt {-x+1}+\frac {27}{64}\right ) \sqrt {-x+1} \sqrt {x+1}+\frac {5}{16} \arcsin \left (\frac {\sqrt {-x+1}}{\sqrt {2}}\right )\right )+2 \left (2 \left (\left (\left (\left (\left (\frac {31}{120}-\frac {1}{24} \sqrt {-x+1} \sqrt {-x+1}\right ) \sqrt {-x+1} \sqrt {-x+1}-\frac {107}{160}\right ) \sqrt {-x+1} \sqrt {-x+1}+\frac {451}{480}\right ) \sqrt {-x+1} \sqrt {-x+1}-\frac {149}{192}\right ) \sqrt {-x+1} \sqrt {-x+1}+\frac {27}{64}\right ) \sqrt {-x+1} \sqrt {x+1}+\frac {5}{16} \arcsin \left (\frac {\sqrt {-x+1}}{\sqrt {2}}\right )\right )+10 \left (2 \left (\left (\left (\left (\frac {1}{20} \sqrt {-x+1} \sqrt {-x+1}-\frac {21}{80}\right ) \sqrt {-x+1} \sqrt {-x+1}+\frac {133}{240}\right ) \sqrt {-x+1} \sqrt {-x+1}-\frac {59}{96}\right ) \sqrt {-x+1} \sqrt {-x+1}+\frac {13}{32}\right ) \sqrt {-x+1} \sqrt {x+1}+\frac {3}{8} \arcsin \left (\frac {\sqrt {-x+1}}{\sqrt {2}}\right )\right )-10 \left (2 \left (\left (\left (\frac {13}{48}-\frac {1}{16} \sqrt {-x+1} \sqrt {-x+1}\right ) \sqrt {-x+1} \sqrt {-x+1}-\frac {43}{96}\right ) \sqrt {-x+1} \sqrt {-x+1}+\frac {13}{32}\right ) \sqrt {-x+1} \sqrt {x+1}+\frac {3}{8} \arcsin \left (\frac {\sqrt {-x+1}}{\sqrt {2}}\right )\right )-2 \left (2 \left (\left (\frac {1}{12} \sqrt {-x+1} \sqrt {-x+1}-\frac {7}{24}\right ) \sqrt {-x+1} \sqrt {-x+1}+\frac {3}{8}\right ) \sqrt {-x+1} \sqrt {x+1}+\frac {\arcsin \left (\frac {\sqrt {-x+1}}{\sqrt {2}}\right )}{2}\right )+6 \left (2 \left (\frac {3}{8}-\frac {1}{8} \sqrt {-x+1} \sqrt {-x+1}\right ) \sqrt {-x+1} \sqrt {x+1}+\frac {\arcsin \left (\frac {\sqrt {-x+1}}{\sqrt {2}}\right )}{2}\right )-2 \left (\frac {1}{2} \sqrt {-x+1} \sqrt {x+1}+\arcsin \left (\frac {\sqrt {-x+1}}{\sqrt {2}}\right )\right ) \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((1-x)^(9/2)*(1+x)^(5/2),x)

[Out]

1/13440*((2*((4*(5*(6*(7*x + 50)*(x - 1) + 1219)*(x - 1) + 12463)*(x - 1) + 64233)*(x - 1) + 53963)*(x - 1) +
59465)*(x - 1) + 23205)*sqrt(x + 1)*sqrt(-x + 1) - 1/560*((2*((4*(5*(6*x + 37)*(x - 1) + 661)*(x - 1) + 4551)*
(x - 1) + 4781)*(x - 1) + 6335)*(x - 1) + 2835)*sqrt(x + 1)*sqrt(-x + 1) + 1/240*((2*((4*(5*x + 26)*(x - 1) +
321)*(x - 1) + 451)*(x - 1) + 745)*(x - 1) + 405)*sqrt(x + 1)*sqrt(-x + 1) + 1/24*((2*(3*(4*x + 17)*(x - 1) +
133)*(x - 1) + 295)*(x - 1) + 195)*sqrt(x + 1)*sqrt(-x + 1) - 5/24*((2*(3*x + 10)*(x - 1) + 43)*(x - 1) + 39)*
sqrt(x + 1)*sqrt(-x + 1) - 1/6*((2*x + 5)*(x - 1) + 9)*sqrt(x + 1)*sqrt(-x + 1) + 3/2*(x + 2)*sqrt(x + 1)*sqrt
(-x + 1) - sqrt(x + 1)*sqrt(-x + 1) - 45/64*arcsin(1/2*sqrt(2)*sqrt(-x + 1))

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Mupad [F]
time = 0.00, size = -1, normalized size = -0.01 \begin {gather*} \int {\left (1-x\right )}^{9/2}\,{\left (x+1\right )}^{5/2} \,d x \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((1 - x)^(9/2)*(x + 1)^(5/2),x)

[Out]

int((1 - x)^(9/2)*(x + 1)^(5/2), x)

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