3.12.33 \(\int \frac {(1+2 x)^{5/2}}{1+x+x^2} \, dx\)

Optimal. Leaf size=170 \[ \frac {4}{3} (2 x+1)^{3/2}-\frac {3^{3/4} \log \left (2 x-\sqrt {2} \sqrt [4]{3} \sqrt {2 x+1}+\sqrt {3}+1\right )}{\sqrt {2}}+\frac {3^{3/4} \log \left (2 x+\sqrt {2} \sqrt [4]{3} \sqrt {2 x+1}+\sqrt {3}+1\right )}{\sqrt {2}}+\sqrt {2} 3^{3/4} \tan ^{-1}\left (1-\frac {\sqrt {2} \sqrt {2 x+1}}{\sqrt [4]{3}}\right )-\sqrt {2} 3^{3/4} \tan ^{-1}\left (\frac {\sqrt {2} \sqrt {2 x+1}}{\sqrt [4]{3}}+1\right ) \]

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Rubi [A]  time = 0.14, antiderivative size = 170, normalized size of antiderivative = 1.00, number of steps used = 12, number of rules used = 9, integrand size = 18, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.500, Rules used = {692, 694, 329, 297, 1162, 617, 204, 1165, 628} \begin {gather*} \frac {4}{3} (2 x+1)^{3/2}-\frac {3^{3/4} \log \left (2 x-\sqrt {2} \sqrt [4]{3} \sqrt {2 x+1}+\sqrt {3}+1\right )}{\sqrt {2}}+\frac {3^{3/4} \log \left (2 x+\sqrt {2} \sqrt [4]{3} \sqrt {2 x+1}+\sqrt {3}+1\right )}{\sqrt {2}}+\sqrt {2} 3^{3/4} \tan ^{-1}\left (1-\frac {\sqrt {2} \sqrt {2 x+1}}{\sqrt [4]{3}}\right )-\sqrt {2} 3^{3/4} \tan ^{-1}\left (\frac {\sqrt {2} \sqrt {2 x+1}}{\sqrt [4]{3}}+1\right ) \end {gather*}

Antiderivative was successfully verified.

[In]

Int[(1 + 2*x)^(5/2)/(1 + x + x^2),x]

[Out]

(4*(1 + 2*x)^(3/2))/3 + Sqrt[2]*3^(3/4)*ArcTan[1 - (Sqrt[2]*Sqrt[1 + 2*x])/3^(1/4)] - Sqrt[2]*3^(3/4)*ArcTan[1
+ (Sqrt[2]*Sqrt[1 + 2*x])/3^(1/4)] - (3^(3/4)*Log[1 + Sqrt[3] + 2*x - Sqrt[2]*3^(1/4)*Sqrt[1 + 2*x]])/Sqrt[2]
+ (3^(3/4)*Log[1 + Sqrt[3] + 2*x + Sqrt[2]*3^(1/4)*Sqrt[1 + 2*x]])/Sqrt[2]

Rule 204

Int[((a_) + (b_.)*(x_)^2)^(-1), x_Symbol] :> -Simp[ArcTan[(Rt[-b, 2]*x)/Rt[-a, 2]]/(Rt[-a, 2]*Rt[-b, 2]), x] /
; FreeQ[{a, b}, x] && PosQ[a/b] && (LtQ[a, 0] || LtQ[b, 0])

Rule 297

Int[(x_)^2/((a_) + (b_.)*(x_)^4), x_Symbol] :> With[{r = Numerator[Rt[a/b, 2]], s = Denominator[Rt[a/b, 2]]},
Dist[1/(2*s), Int[(r + s*x^2)/(a + b*x^4), x], x] - Dist[1/(2*s), Int[(r - s*x^2)/(a + b*x^4), x], x]] /; Free
Q[{a, b}, x] && (GtQ[a/b, 0] || (PosQ[a/b] && AtomQ[SplitProduct[SumBaseQ, a]] && AtomQ[SplitProduct[SumBaseQ,
b]]))

Rule 329

Int[((c_.)*(x_))^(m_)*((a_) + (b_.)*(x_)^(n_))^(p_), x_Symbol] :> With[{k = Denominator[m]}, Dist[k/c, Subst[I
nt[x^(k*(m + 1) - 1)*(a + (b*x^(k*n))/c^n)^p, x], x, (c*x)^(1/k)], x]] /; FreeQ[{a, b, c, p}, x] && IGtQ[n, 0]
&& FractionQ[m] && IntBinomialQ[a, b, c, n, m, p, x]

Rule 617

Int[((a_) + (b_.)*(x_) + (c_.)*(x_)^2)^(-1), x_Symbol] :> With[{q = 1 - 4*Simplify[(a*c)/b^2]}, Dist[-2/b, Sub
st[Int[1/(q - x^2), x], x, 1 + (2*c*x)/b], x] /; RationalQ[q] && (EqQ[q^2, 1] ||  !RationalQ[b^2 - 4*a*c])] /;
FreeQ[{a, b, c}, x] && NeQ[b^2 - 4*a*c, 0]

Rule 628

Int[((d_) + (e_.)*(x_))/((a_.) + (b_.)*(x_) + (c_.)*(x_)^2), x_Symbol] :> Simp[(d*Log[RemoveContent[a + b*x +
c*x^2, x]])/b, x] /; FreeQ[{a, b, c, d, e}, x] && EqQ[2*c*d - b*e, 0]

Rule 692

Int[((d_) + (e_.)*(x_))^(m_)*((a_.) + (b_.)*(x_) + (c_.)*(x_)^2)^(p_.), x_Symbol] :> Simp[(2*d*(d + e*x)^(m -
1)*(a + b*x + c*x^2)^(p + 1))/(b*(m + 2*p + 1)), x] + Dist[(d^2*(m - 1)*(b^2 - 4*a*c))/(b^2*(m + 2*p + 1)), In
t[(d + e*x)^(m - 2)*(a + b*x + c*x^2)^p, x], x] /; FreeQ[{a, b, c, d, e, p}, x] && NeQ[b^2 - 4*a*c, 0] && EqQ[
2*c*d - b*e, 0] && NeQ[m + 2*p + 3, 0] && GtQ[m, 1] && NeQ[m + 2*p + 1, 0] && (IntegerQ[2*p] || (IntegerQ[m] &
& RationalQ[p]) || OddQ[m])

Rule 694

Int[((d_) + (e_.)*(x_))^(m_)*((a_.) + (b_.)*(x_) + (c_.)*(x_)^2)^(p_.), x_Symbol] :> Dist[1/e, Subst[Int[x^m*(
a - b^2/(4*c) + (c*x^2)/e^2)^p, x], x, d + e*x], x] /; FreeQ[{a, b, c, d, e, m, p}, x] && NeQ[b^2 - 4*a*c, 0]
&& EqQ[2*c*d - b*e, 0]

Rule 1162

Int[((d_) + (e_.)*(x_)^2)/((a_) + (c_.)*(x_)^4), x_Symbol] :> With[{q = Rt[(2*d)/e, 2]}, Dist[e/(2*c), Int[1/S
imp[d/e + q*x + x^2, x], x], x] + Dist[e/(2*c), Int[1/Simp[d/e - q*x + x^2, x], x], x]] /; FreeQ[{a, c, d, e},
x] && EqQ[c*d^2 - a*e^2, 0] && PosQ[d*e]

Rule 1165

Int[((d_) + (e_.)*(x_)^2)/((a_) + (c_.)*(x_)^4), x_Symbol] :> With[{q = Rt[(-2*d)/e, 2]}, Dist[e/(2*c*q), Int[
(q - 2*x)/Simp[d/e + q*x - x^2, x], x], x] + Dist[e/(2*c*q), Int[(q + 2*x)/Simp[d/e - q*x - x^2, x], x], x]] /
; FreeQ[{a, c, d, e}, x] && EqQ[c*d^2 - a*e^2, 0] && NegQ[d*e]

Rubi steps

\begin {align*} \int \frac {(1+2 x)^{5/2}}{1+x+x^2} \, dx &=\frac {4}{3} (1+2 x)^{3/2}-3 \int \frac {\sqrt {1+2 x}}{1+x+x^2} \, dx\\ &=\frac {4}{3} (1+2 x)^{3/2}-\frac {3}{2} \operatorname {Subst}\left (\int \frac {\sqrt {x}}{\frac {3}{4}+\frac {x^2}{4}} \, dx,x,1+2 x\right )\\ &=\frac {4}{3} (1+2 x)^{3/2}-3 \operatorname {Subst}\left (\int \frac {x^2}{\frac {3}{4}+\frac {x^4}{4}} \, dx,x,\sqrt {1+2 x}\right )\\ &=\frac {4}{3} (1+2 x)^{3/2}+\frac {3}{2} \operatorname {Subst}\left (\int \frac {\sqrt {3}-x^2}{\frac {3}{4}+\frac {x^4}{4}} \, dx,x,\sqrt {1+2 x}\right )-\frac {3}{2} \operatorname {Subst}\left (\int \frac {\sqrt {3}+x^2}{\frac {3}{4}+\frac {x^4}{4}} \, dx,x,\sqrt {1+2 x}\right )\\ &=\frac {4}{3} (1+2 x)^{3/2}-3 \operatorname {Subst}\left (\int \frac {1}{\sqrt {3}-\sqrt {2} \sqrt [4]{3} x+x^2} \, dx,x,\sqrt {1+2 x}\right )-3 \operatorname {Subst}\left (\int \frac {1}{\sqrt {3}+\sqrt {2} \sqrt [4]{3} x+x^2} \, dx,x,\sqrt {1+2 x}\right )-\frac {3^{3/4} \operatorname {Subst}\left (\int \frac {\sqrt {2} \sqrt [4]{3}+2 x}{-\sqrt {3}-\sqrt {2} \sqrt [4]{3} x-x^2} \, dx,x,\sqrt {1+2 x}\right )}{\sqrt {2}}-\frac {3^{3/4} \operatorname {Subst}\left (\int \frac {\sqrt {2} \sqrt [4]{3}-2 x}{-\sqrt {3}+\sqrt {2} \sqrt [4]{3} x-x^2} \, dx,x,\sqrt {1+2 x}\right )}{\sqrt {2}}\\ &=\frac {4}{3} (1+2 x)^{3/2}-\frac {3^{3/4} \log \left (1+\sqrt {3}+2 x-\sqrt {2} \sqrt [4]{3} \sqrt {1+2 x}\right )}{\sqrt {2}}+\frac {3^{3/4} \log \left (1+\sqrt {3}+2 x+\sqrt {2} \sqrt [4]{3} \sqrt {1+2 x}\right )}{\sqrt {2}}-\left (\sqrt {2} 3^{3/4}\right ) \operatorname {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1-\frac {\sqrt {2+4 x}}{\sqrt [4]{3}}\right )+\left (\sqrt {2} 3^{3/4}\right ) \operatorname {Subst}\left (\int \frac {1}{-1-x^2} \, dx,x,1+\frac {\sqrt {2+4 x}}{\sqrt [4]{3}}\right )\\ &=\frac {4}{3} (1+2 x)^{3/2}+\sqrt {2} 3^{3/4} \tan ^{-1}\left (1-\frac {\sqrt {2} \sqrt {1+2 x}}{\sqrt [4]{3}}\right )-\sqrt {2} 3^{3/4} \tan ^{-1}\left (1+\frac {\sqrt {2} \sqrt {1+2 x}}{\sqrt [4]{3}}\right )-\frac {3^{3/4} \log \left (1+\sqrt {3}+2 x-\sqrt {2} \sqrt [4]{3} \sqrt {1+2 x}\right )}{\sqrt {2}}+\frac {3^{3/4} \log \left (1+\sqrt {3}+2 x+\sqrt {2} \sqrt [4]{3} \sqrt {1+2 x}\right )}{\sqrt {2}}\\ \end {align*}

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Mathematica [C]  time = 0.01, size = 34, normalized size = 0.20 \begin {gather*} -\frac {4}{3} (2 x+1)^{3/2} \left (\, _2F_1\left (\frac {3}{4},1;\frac {7}{4};-\frac {1}{3} (2 x+1)^2\right )-1\right ) \end {gather*}

Antiderivative was successfully verified.

[In]

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

[Out]

(-4*(1 + 2*x)^(3/2)*(-1 + Hypergeometric2F1[3/4, 1, 7/4, -1/3*(1 + 2*x)^2]))/3

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IntegrateAlgebraic [A]  time = 0.24, size = 113, normalized size = 0.66 \begin {gather*} \frac {4}{3} (2 x+1)^{3/2}-\sqrt {2} 3^{3/4} \tan ^{-1}\left (\frac {\frac {2 x+1}{\sqrt {2} \sqrt [4]{3}}-\frac {\sqrt [4]{3}}{\sqrt {2}}}{\sqrt {2 x+1}}\right )+\sqrt {2} 3^{3/4} \tanh ^{-1}\left (\frac {\sqrt {2} 3^{3/4} \sqrt {2 x+1}}{\sqrt {3} (2 x+1)+3}\right ) \end {gather*}

Antiderivative was successfully verified.

[In]

IntegrateAlgebraic[(1 + 2*x)^(5/2)/(1 + x + x^2),x]

[Out]

(4*(1 + 2*x)^(3/2))/3 - Sqrt[2]*3^(3/4)*ArcTan[(-(3^(1/4)/Sqrt[2]) + (1 + 2*x)/(Sqrt[2]*3^(1/4)))/Sqrt[1 + 2*x
]] + Sqrt[2]*3^(3/4)*ArcTanh[(Sqrt[2]*3^(3/4)*Sqrt[1 + 2*x])/(3 + Sqrt[3]*(1 + 2*x))]

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fricas [A]  time = 0.42, size = 199, normalized size = 1.17 \begin {gather*} 2 \cdot 27^{\frac {1}{4}} \sqrt {2} \arctan \left (\frac {1}{9} \cdot 27^{\frac {1}{4}} \sqrt {2} \sqrt {27^{\frac {3}{4}} \sqrt {2} \sqrt {2 \, x + 1} + 18 \, x + 9 \, \sqrt {3} + 9} - \frac {1}{3} \cdot 27^{\frac {1}{4}} \sqrt {2} \sqrt {2 \, x + 1} - 1\right ) + 2 \cdot 27^{\frac {1}{4}} \sqrt {2} \arctan \left (\frac {1}{27} \cdot 27^{\frac {1}{4}} \sqrt {2} \sqrt {-9 \cdot 27^{\frac {3}{4}} \sqrt {2} \sqrt {2 \, x + 1} + 162 \, x + 81 \, \sqrt {3} + 81} - \frac {1}{3} \cdot 27^{\frac {1}{4}} \sqrt {2} \sqrt {2 \, x + 1} + 1\right ) + \frac {1}{2} \cdot 27^{\frac {1}{4}} \sqrt {2} \log \left (9 \cdot 27^{\frac {3}{4}} \sqrt {2} \sqrt {2 \, x + 1} + 162 \, x + 81 \, \sqrt {3} + 81\right ) - \frac {1}{2} \cdot 27^{\frac {1}{4}} \sqrt {2} \log \left (-9 \cdot 27^{\frac {3}{4}} \sqrt {2} \sqrt {2 \, x + 1} + 162 \, x + 81 \, \sqrt {3} + 81\right ) + \frac {4}{3} \, {\left (2 \, x + 1\right )}^{\frac {3}{2}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

2*27^(1/4)*sqrt(2)*arctan(1/9*27^(1/4)*sqrt(2)*sqrt(27^(3/4)*sqrt(2)*sqrt(2*x + 1) + 18*x + 9*sqrt(3) + 9) - 1
/3*27^(1/4)*sqrt(2)*sqrt(2*x + 1) - 1) + 2*27^(1/4)*sqrt(2)*arctan(1/27*27^(1/4)*sqrt(2)*sqrt(-9*27^(3/4)*sqrt
(2)*sqrt(2*x + 1) + 162*x + 81*sqrt(3) + 81) - 1/3*27^(1/4)*sqrt(2)*sqrt(2*x + 1) + 1) + 1/2*27^(1/4)*sqrt(2)*
log(9*27^(3/4)*sqrt(2)*sqrt(2*x + 1) + 162*x + 81*sqrt(3) + 81) - 1/2*27^(1/4)*sqrt(2)*log(-9*27^(3/4)*sqrt(2)
*sqrt(2*x + 1) + 162*x + 81*sqrt(3) + 81) + 4/3*(2*x + 1)^(3/2)

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giac [A]  time = 0.22, size = 129, normalized size = 0.76 \begin {gather*} \frac {4}{3} \, {\left (2 \, x + 1\right )}^{\frac {3}{2}} - 108^{\frac {1}{4}} \arctan \left (\frac {1}{6} \cdot 3^{\frac {3}{4}} \sqrt {2} {\left (3^{\frac {1}{4}} \sqrt {2} + 2 \, \sqrt {2 \, x + 1}\right )}\right ) - 108^{\frac {1}{4}} \arctan \left (-\frac {1}{6} \cdot 3^{\frac {3}{4}} \sqrt {2} {\left (3^{\frac {1}{4}} \sqrt {2} - 2 \, \sqrt {2 \, x + 1}\right )}\right ) + \frac {1}{2} \cdot 108^{\frac {1}{4}} \log \left (3^{\frac {1}{4}} \sqrt {2} \sqrt {2 \, x + 1} + 2 \, x + \sqrt {3} + 1\right ) - \frac {1}{2} \cdot 108^{\frac {1}{4}} \log \left (-3^{\frac {1}{4}} \sqrt {2} \sqrt {2 \, x + 1} + 2 \, x + \sqrt {3} + 1\right ) \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

integrate((1+2*x)^(5/2)/(x^2+x+1),x, algorithm="giac")

[Out]

4/3*(2*x + 1)^(3/2) - 108^(1/4)*arctan(1/6*3^(3/4)*sqrt(2)*(3^(1/4)*sqrt(2) + 2*sqrt(2*x + 1))) - 108^(1/4)*ar
ctan(-1/6*3^(3/4)*sqrt(2)*(3^(1/4)*sqrt(2) - 2*sqrt(2*x + 1))) + 1/2*108^(1/4)*log(3^(1/4)*sqrt(2)*sqrt(2*x +
1) + 2*x + sqrt(3) + 1) - 1/2*108^(1/4)*log(-3^(1/4)*sqrt(2)*sqrt(2*x + 1) + 2*x + sqrt(3) + 1)

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maple [A]  time = 0.05, size = 120, normalized size = 0.71 \begin {gather*} -3^{\frac {3}{4}} \sqrt {2}\, \arctan \left (-1+\frac {\sqrt {2}\, \sqrt {2 x +1}\, 3^{\frac {3}{4}}}{3}\right )-3^{\frac {3}{4}} \sqrt {2}\, \arctan \left (1+\frac {\sqrt {2}\, \sqrt {2 x +1}\, 3^{\frac {3}{4}}}{3}\right )-\frac {\sqrt {2}\, 3^{\frac {3}{4}} \ln \left (\frac {2 x +1+\sqrt {3}-3^{\frac {1}{4}} \sqrt {2}\, \sqrt {2 x +1}}{2 x +1+\sqrt {3}+3^{\frac {1}{4}} \sqrt {2}\, \sqrt {2 x +1}}\right )}{2}+\frac {4 \left (2 x +1\right )^{\frac {3}{2}}}{3} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((2*x+1)^(5/2)/(x^2+x+1),x)

[Out]

4/3*(2*x+1)^(3/2)-3^(3/4)*arctan(-1+1/3*2^(1/2)*(2*x+1)^(1/2)*3^(3/4))*2^(1/2)-3^(3/4)*arctan(1+1/3*2^(1/2)*(2
*x+1)^(1/2)*3^(3/4))*2^(1/2)-1/2*2^(1/2)*3^(3/4)*ln((2*x+1+3^(1/2)-3^(1/4)*2^(1/2)*(2*x+1)^(1/2))/(2*x+1+3^(1/
2)+3^(1/4)*2^(1/2)*(2*x+1)^(1/2)))

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maxima [A]  time = 3.01, size = 141, normalized size = 0.83 \begin {gather*} -3^{\frac {3}{4}} \sqrt {2} \arctan \left (\frac {1}{6} \cdot 3^{\frac {3}{4}} \sqrt {2} {\left (3^{\frac {1}{4}} \sqrt {2} + 2 \, \sqrt {2 \, x + 1}\right )}\right ) - 3^{\frac {3}{4}} \sqrt {2} \arctan \left (-\frac {1}{6} \cdot 3^{\frac {3}{4}} \sqrt {2} {\left (3^{\frac {1}{4}} \sqrt {2} - 2 \, \sqrt {2 \, x + 1}\right )}\right ) + \frac {1}{2} \cdot 3^{\frac {3}{4}} \sqrt {2} \log \left (3^{\frac {1}{4}} \sqrt {2} \sqrt {2 \, x + 1} + 2 \, x + \sqrt {3} + 1\right ) - \frac {1}{2} \cdot 3^{\frac {3}{4}} \sqrt {2} \log \left (-3^{\frac {1}{4}} \sqrt {2} \sqrt {2 \, x + 1} + 2 \, x + \sqrt {3} + 1\right ) + \frac {4}{3} \, {\left (2 \, x + 1\right )}^{\frac {3}{2}} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

-3^(3/4)*sqrt(2)*arctan(1/6*3^(3/4)*sqrt(2)*(3^(1/4)*sqrt(2) + 2*sqrt(2*x + 1))) - 3^(3/4)*sqrt(2)*arctan(-1/6
*3^(3/4)*sqrt(2)*(3^(1/4)*sqrt(2) - 2*sqrt(2*x + 1))) + 1/2*3^(3/4)*sqrt(2)*log(3^(1/4)*sqrt(2)*sqrt(2*x + 1)
+ 2*x + sqrt(3) + 1) - 1/2*3^(3/4)*sqrt(2)*log(-3^(1/4)*sqrt(2)*sqrt(2*x + 1) + 2*x + sqrt(3) + 1) + 4/3*(2*x
+ 1)^(3/2)

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mupad [B]  time = 0.09, size = 66, normalized size = 0.39 \begin {gather*} \frac {4\,{\left (2\,x+1\right )}^{3/2}}{3}+\sqrt {2}\,3^{3/4}\,\mathrm {atan}\left (\sqrt {2}\,3^{3/4}\,\sqrt {2\,x+1}\,\left (\frac {1}{6}-\frac {1}{6}{}\mathrm {i}\right )\right )\,\left (-1+1{}\mathrm {i}\right )+\sqrt {2}\,3^{3/4}\,\mathrm {atan}\left (\sqrt {2}\,3^{3/4}\,\sqrt {2\,x+1}\,\left (\frac {1}{6}+\frac {1}{6}{}\mathrm {i}\right )\right )\,\left (-1-\mathrm {i}\right ) \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

int((2*x + 1)^(5/2)/(x + x^2 + 1),x)

[Out]

(4*(2*x + 1)^(3/2))/3 - 2^(1/2)*3^(3/4)*atan(2^(1/2)*3^(3/4)*(2*x + 1)^(1/2)*(1/6 - 1i/6))*(1 - 1i) - 2^(1/2)*
3^(3/4)*atan(2^(1/2)*3^(3/4)*(2*x + 1)^(1/2)*(1/6 + 1i/6))*(1 + 1i)

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sympy [A]  time = 25.15, size = 163, normalized size = 0.96 \begin {gather*} \frac {4 \left (2 x + 1\right )^{\frac {3}{2}}}{3} - \frac {\sqrt {2} \cdot 3^{\frac {3}{4}} \log {\left (2 x - \sqrt {2} \sqrt [4]{3} \sqrt {2 x + 1} + 1 + \sqrt {3} \right )}}{2} + \frac {\sqrt {2} \cdot 3^{\frac {3}{4}} \log {\left (2 x + \sqrt {2} \sqrt [4]{3} \sqrt {2 x + 1} + 1 + \sqrt {3} \right )}}{2} - \sqrt {2} \cdot 3^{\frac {3}{4}} \operatorname {atan}{\left (\frac {\sqrt {2} \cdot 3^{\frac {3}{4}} \sqrt {2 x + 1}}{3} - 1 \right )} - \sqrt {2} \cdot 3^{\frac {3}{4}} \operatorname {atan}{\left (\frac {\sqrt {2} \cdot 3^{\frac {3}{4}} \sqrt {2 x + 1}}{3} + 1 \right )} \end {gather*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

4*(2*x + 1)**(3/2)/3 - sqrt(2)*3**(3/4)*log(2*x - sqrt(2)*3**(1/4)*sqrt(2*x + 1) + 1 + sqrt(3))/2 + sqrt(2)*3*
*(3/4)*log(2*x + sqrt(2)*3**(1/4)*sqrt(2*x + 1) + 1 + sqrt(3))/2 - sqrt(2)*3**(3/4)*atan(sqrt(2)*3**(3/4)*sqrt
(2*x + 1)/3 - 1) - sqrt(2)*3**(3/4)*atan(sqrt(2)*3**(3/4)*sqrt(2*x + 1)/3 + 1)

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