1,0,-1,62,0.000000,"\text{Not used}","int(acos(1/(a*x^5))/x,x)","\int \frac{\mathrm{acos}\left(\frac{1}{a\,x^5}\right)}{x} \,d x","Not used",1,"int(acos(1/(a*x^5))/x, x)","F"
2,0,-1,58,0.000000,"\text{Not used}","int(x^3*acos(1/x^(1/2)),x)","\int x^3\,\mathrm{acos}\left(\frac{1}{\sqrt{x}}\right) \,d x","Not used",1,"int(x^3*acos(1/x^(1/2)), x)","F"
3,0,-1,47,0.000000,"\text{Not used}","int(x^2*acos(1/x^(1/2)),x)","\int x^2\,\mathrm{acos}\left(\frac{1}{\sqrt{x}}\right) \,d x","Not used",1,"int(x^2*acos(1/x^(1/2)), x)","F"
4,0,-1,36,0.000000,"\text{Not used}","int(x*acos(1/x^(1/2)),x)","\int x\,\mathrm{acos}\left(\frac{1}{\sqrt{x}}\right) \,d x","Not used",1,"int(x*acos(1/x^(1/2)), x)","F"
5,1,21,18,1.148897,"\text{Not used}","int(acos(1/x^(1/2)),x)","x\,\mathrm{acos}\left(\frac{1}{\sqrt{x}}\right)-\sqrt{x}\,\sqrt{1-\frac{1}{x}}","Not used",1,"x*acos(1/x^(1/2)) - x^(1/2)*(1 - 1/x)^(1/2)","B"
6,0,-1,56,0.000000,"\text{Not used}","int(acos(1/x^(1/2))/x,x)","\int \frac{\mathrm{acos}\left(\frac{1}{\sqrt{x}}\right)}{x} \,d x","Not used",1,"int(acos(1/x^(1/2))/x, x)","F"
7,1,28,38,0.683834,"\text{Not used}","int(acos(1/x^(1/2))/x^2,x)","\frac{\sqrt{1-\frac{1}{x}}}{2\,\sqrt{x}}-\frac{\mathrm{acos}\left(\frac{1}{\sqrt{x}}\right)\,\left(\frac{2}{x}-1\right)}{2}","Not used",1,"(1 - 1/x)^(1/2)/(2*x^(1/2)) - (acos(1/x^(1/2))*(2/x - 1))/2","B"
8,0,-1,54,0.000000,"\text{Not used}","int(acos(1/x^(1/2))/x^3,x)","\int \frac{\mathrm{acos}\left(\frac{1}{\sqrt{x}}\right)}{x^3} \,d x","Not used",1,"int(acos(1/x^(1/2))/x^3, x)","F"
9,0,-1,68,0.000000,"\text{Not used}","int(acos(1/x^(1/2))/x^4,x)","\int \frac{\mathrm{acos}\left(\frac{1}{\sqrt{x}}\right)}{x^4} \,d x","Not used",1,"int(acos(1/x^(1/2))/x^4, x)","F"
10,0,-1,56,0.000000,"\text{Not used}","int(x^2*acos(x/a),x)","\left\{\begin{array}{cl} \frac{x^3\,\mathrm{acos}\left(\frac{x}{a}\right)}{3}-\frac{\sqrt{a^2-x^2}\,\left(2\,a^2+x^2\right)}{9} & \text{\ if\ \ }0<a\\ \int x^2\,\mathrm{acos}\left(\frac{x}{a}\right) \,d x & \text{\ if\ \ }\neg 0<a \end{array}\right.","Not used",1,"piecewise(0 < a, (x^3*acos(x/a))/3 - ((a^2 - x^2)^(1/2)*(2*a^2 + x^2))/9, ~0 < a, int(x^2*acos(x/a), x))","F"
11,1,38,47,0.627629,"\text{Not used}","int(x*acos(x/a),x)","\frac{a^2\,\mathrm{acos}\left(\frac{x}{a}\right)\,\left(\frac{2\,x^2}{a^2}-1\right)}{4}-\frac{a\,x\,\sqrt{1-\frac{x^2}{a^2}}}{4}","Not used",1,"(a^2*acos(x/a)*((2*x^2)/a^2 - 1))/4 - (a*x*(1 - x^2/a^2)^(1/2))/4","B"
12,1,24,26,0.109089,"\text{Not used}","int(acos(x/a),x)","x\,\mathrm{acos}\left(\frac{x}{a}\right)-a\,\sqrt{1-\frac{x^2}{a^2}}","Not used",1,"x*acos(x/a) - a*(1 - x^2/a^2)^(1/2)","B"
13,0,-1,59,0.000000,"\text{Not used}","int(acos(x/a)/x,x)","\int \frac{\mathrm{acos}\left(\frac{x}{a}\right)}{x} \,d x","Not used",1,"int(acos(x/a)/x, x)","F"
14,1,29,31,0.604820,"\text{Not used}","int(acos(x/a)/x^2,x)","\frac{\mathrm{atanh}\left(\frac{1}{\sqrt{1-\frac{x^2}{a^2}}}\right)}{a}-\frac{\mathrm{acos}\left(\frac{x}{a}\right)}{x}","Not used",1,"atanh(1/(1 - x^2/a^2)^(1/2))/a - acos(x/a)/x","B"
15,0,-1,38,0.000000,"\text{Not used}","int(acos(x/a)/x^3,x)","\int \frac{\mathrm{acos}\left(\frac{x}{a}\right)}{x^3} \,d x","Not used",1,"int(acos(x/a)/x^3, x)","F"
16,0,-1,60,0.000000,"\text{Not used}","int(acos(x/a)/x^4,x)","\int \frac{\mathrm{acos}\left(\frac{x}{a}\right)}{x^4} \,d x","Not used",1,"int(acos(x/a)/x^4, x)","F"
17,0,-1,69,0.000000,"\text{Not used}","int(acos(1/(a*x^n))/x,x)","\int \frac{\mathrm{acos}\left(\frac{1}{a\,x^n}\right)}{x} \,d x","Not used",1,"int(acos(1/(a*x^n))/x, x)","F"
18,0,-1,197,0.000000,"\text{Not used}","int(x^4*acos(1/(a + b*x)),x)","\int x^4\,\mathrm{acos}\left(\frac{1}{a+b\,x}\right) \,d x","Not used",1,"int(x^4*acos(1/(a + b*x)), x)","F"
19,0,-1,155,0.000000,"\text{Not used}","int(x^3*acos(1/(a + b*x)),x)","\int x^3\,\mathrm{acos}\left(\frac{1}{a+b\,x}\right) \,d x","Not used",1,"int(x^3*acos(1/(a + b*x)), x)","F"
20,0,-1,116,0.000000,"\text{Not used}","int(x^2*acos(1/(a + b*x)),x)","\int x^2\,\mathrm{acos}\left(\frac{1}{a+b\,x}\right) \,d x","Not used",1,"int(x^2*acos(1/(a + b*x)), x)","F"
21,0,-1,78,0.000000,"\text{Not used}","int(x*acos(1/(a + b*x)),x)","\int x\,\mathrm{acos}\left(\frac{1}{a+b\,x}\right) \,d x","Not used",1,"int(x*acos(1/(a + b*x)), x)","F"
22,1,35,37,0.862115,"\text{Not used}","int(acos(1/(a + b*x)),x)","-\frac{\mathrm{atanh}\left(\frac{1}{\sqrt{1-\frac{1}{{\left(a+b\,x\right)}^2}}}\right)-\mathrm{acos}\left(\frac{1}{a+b\,x}\right)\,\left(a+b\,x\right)}{b}","Not used",1,"-(atanh(1/(1 - 1/(a + b*x)^2)^(1/2)) - acos(1/(a + b*x))*(a + b*x))/b","B"
23,0,-1,200,0.000000,"\text{Not used}","int(acos(1/(a + b*x))/x,x)","\int \frac{\mathrm{acos}\left(\frac{1}{a+b\,x}\right)}{x} \,d x","Not used",1,"int(acos(1/(a + b*x))/x, x)","F"
24,0,-1,70,0.000000,"\text{Not used}","int(acos(1/(a + b*x))/x^2,x)","\int \frac{\mathrm{acos}\left(\frac{1}{a+b\,x}\right)}{x^2} \,d x","Not used",1,"int(acos(1/(a + b*x))/x^2, x)","F"
25,0,-1,125,0.000000,"\text{Not used}","int(acos(1/(a + b*x))/x^3,x)","\int \frac{\mathrm{acos}\left(\frac{1}{a+b\,x}\right)}{x^3} \,d x","Not used",1,"int(acos(1/(a + b*x))/x^3, x)","F"
26,0,-1,181,0.000000,"\text{Not used}","int(acos(1/(a + b*x))/x^4,x)","\int \frac{\mathrm{acos}\left(\frac{1}{a+b\,x}\right)}{x^4} \,d x","Not used",1,"int(acos(1/(a + b*x))/x^4, x)","F"
27,0,-1,381,0.000000,"\text{Not used}","int(x^3*acos(1/(a + b*x))^2,x)","\int x^3\,{\mathrm{acos}\left(\frac{1}{a+b\,x}\right)}^2 \,d x","Not used",1,"int(x^3*acos(1/(a + b*x))^2, x)","F"
28,0,-1,288,0.000000,"\text{Not used}","int(x^2*acos(1/(a + b*x))^2,x)","\int x^2\,{\mathrm{acos}\left(\frac{1}{a+b\,x}\right)}^2 \,d x","Not used",1,"int(x^2*acos(1/(a + b*x))^2, x)","F"
29,0,-1,154,0.000000,"\text{Not used}","int(x*acos(1/(a + b*x))^2,x)","\int x\,{\mathrm{acos}\left(\frac{1}{a+b\,x}\right)}^2 \,d x","Not used",1,"int(x*acos(1/(a + b*x))^2, x)","F"
30,0,-1,94,0.000000,"\text{Not used}","int(acos(1/(a + b*x))^2,x)","\int {\mathrm{acos}\left(\frac{1}{a+b\,x}\right)}^2 \,d x","Not used",1,"int(acos(1/(a + b*x))^2, x)","F"
31,0,-1,310,0.000000,"\text{Not used}","int(acos(1/(a + b*x))^2/x,x)","\int \frac{{\mathrm{acos}\left(\frac{1}{a+b\,x}\right)}^2}{x} \,d x","Not used",1,"int(acos(1/(a + b*x))^2/x, x)","F"
32,0,-1,244,0.000000,"\text{Not used}","int(acos(1/(a + b*x))^2/x^2,x)","\int \frac{{\mathrm{acos}\left(\frac{1}{a+b\,x}\right)}^2}{x^2} \,d x","Not used",1,"int(acos(1/(a + b*x))^2/x^2, x)","F"
33,0,-1,494,0.000000,"\text{Not used}","int(x^2*acos(1/(a + b*x))^3,x)","\int x^2\,{\mathrm{acos}\left(\frac{1}{a+b\,x}\right)}^3 \,d x","Not used",1,"int(x^2*acos(1/(a + b*x))^3, x)","F"
34,0,-1,278,0.000000,"\text{Not used}","int(x*acos(1/(a + b*x))^3,x)","\int x\,{\mathrm{acos}\left(\frac{1}{a+b\,x}\right)}^3 \,d x","Not used",1,"int(x*acos(1/(a + b*x))^3, x)","F"
35,0,-1,154,0.000000,"\text{Not used}","int(acos(1/(a + b*x))^3,x)","\int {\mathrm{acos}\left(\frac{1}{a+b\,x}\right)}^3 \,d x","Not used",1,"int(acos(1/(a + b*x))^3, x)","F"
36,0,-1,430,0.000000,"\text{Not used}","int(acos(1/(a + b*x))^3/x,x)","\int \frac{{\mathrm{acos}\left(\frac{1}{a+b\,x}\right)}^3}{x} \,d x","Not used",1,"int(acos(1/(a + b*x))^3/x, x)","F"
37,0,-1,362,0.000000,"\text{Not used}","int(acos(1/(a + b*x))^3/x^2,x)","\int \frac{{\mathrm{acos}\left(\frac{1}{a+b\,x}\right)}^3}{x^2} \,d x","Not used",1,"int(acos(1/(a + b*x))^3/x^2, x)","F"
38,1,52,58,1.030888,"\text{Not used}","int(x*(a + b*acos(1/(c + d*x^2))),x)","\frac{a\,x^2}{2}-\frac{b\,\mathrm{atanh}\left(\frac{1}{\sqrt{1-\frac{1}{{\left(d\,x^2+c\right)}^2}}}\right)}{2\,d}+\frac{b\,\mathrm{acos}\left(\frac{1}{d\,x^2+c}\right)\,\left(d\,x^2+c\right)}{2\,d}","Not used",1,"(a*x^2)/2 - (b*atanh(1/(1 - 1/(c + d*x^2)^2)^(1/2)))/(2*d) + (b*acos(1/(c + d*x^2))*(c + d*x^2))/(2*d)","B"
39,1,52,58,0.773579,"\text{Not used}","int(x^2*(a + b*acos(1/(c + d*x^3))),x)","\frac{a\,x^3}{3}-\frac{b\,\mathrm{atanh}\left(\frac{1}{\sqrt{1-\frac{1}{{\left(d\,x^3+c\right)}^2}}}\right)}{3\,d}+\frac{b\,\mathrm{acos}\left(\frac{1}{d\,x^3+c}\right)\,\left(d\,x^3+c\right)}{3\,d}","Not used",1,"(a*x^3)/3 - (b*atanh(1/(1 - 1/(c + d*x^3)^2)^(1/2)))/(3*d) + (b*acos(1/(c + d*x^3))*(c + d*x^3))/(3*d)","B"
40,1,52,58,0.777035,"\text{Not used}","int(x^3*(a + b*acos(1/(c + d*x^4))),x)","\frac{a\,x^4}{4}-\frac{b\,\mathrm{atanh}\left(\frac{1}{\sqrt{1-\frac{1}{{\left(d\,x^4+c\right)}^2}}}\right)}{4\,d}+\frac{b\,\mathrm{acos}\left(\frac{1}{d\,x^4+c}\right)\,\left(d\,x^4+c\right)}{4\,d}","Not used",1,"(a*x^4)/4 - (b*atanh(1/(1 - 1/(c + d*x^4)^2)^(1/2)))/(4*d) + (b*acos(1/(c + d*x^4))*(c + d*x^4))/(4*d)","B"
41,1,44,49,1.084241,"\text{Not used}","int(x^(n - 1)*acos(1/(a + b*x^n)),x)","-\frac{\mathrm{atanh}\left(\frac{1}{\sqrt{1-\frac{1}{{\left(a+b\,x^n\right)}^2}}}\right)-\mathrm{acos}\left(\frac{1}{a+b\,x^n}\right)\,\left(a+b\,x^n\right)}{b\,n}","Not used",1,"-(atanh(1/(1 - 1/(a + b*x^n)^2)^(1/2)) - acos(1/(a + b*x^n))*(a + b*x^n))/(b*n)","B"
42,0,-1,85,0.000000,"\text{Not used}","int(acos(exp(- a - b*x)/c),x)","\int \mathrm{acos}\left(\frac{{\mathrm{e}}^{-a-b\,x}}{c}\right) \,d x","Not used",1,"int(acos(exp(- a - b*x)/c), x)","F"
43,0,-1,99,0.000000,"\text{Not used}","int(x^2*exp(acos(1/(a*x))),x)","\int x^2\,{\mathrm{e}}^{\mathrm{acos}\left(\frac{1}{a\,x}\right)} \,d x","Not used",1,"int(x^2*exp(acos(1/(a*x))), x)","F"
44,0,-1,91,0.000000,"\text{Not used}","int(x*exp(acos(1/(a*x))),x)","\int x\,{\mathrm{e}}^{\mathrm{acos}\left(\frac{1}{a\,x}\right)} \,d x","Not used",1,"int(x*exp(acos(1/(a*x))), x)","F"
45,0,-1,91,0.000000,"\text{Not used}","int(exp(acos(1/(a*x))),x)","\int {\mathrm{e}}^{\mathrm{acos}\left(\frac{1}{a\,x}\right)} \,d x","Not used",1,"int(exp(acos(1/(a*x))), x)","F"
46,0,-1,45,0.000000,"\text{Not used}","int(exp(acos(1/(a*x)))/x,x)","\int \frac{{\mathrm{e}}^{\mathrm{acos}\left(\frac{1}{a\,x}\right)}}{x} \,d x","Not used",1,"int(exp(acos(1/(a*x)))/x, x)","F"
47,0,-1,39,0.000000,"\text{Not used}","int(exp(acos(1/(a*x)))/x^2,x)","\int \frac{{\mathrm{e}}^{\mathrm{acos}\left(\frac{1}{a\,x}\right)}}{x^2} \,d x","Not used",1,"int(exp(acos(1/(a*x)))/x^2, x)","F"
48,0,-1,41,0.000000,"\text{Not used}","int(exp(acos(1/(a*x)))/x^3,x)","\int \frac{{\mathrm{e}}^{\mathrm{acos}\left(\frac{1}{a\,x}\right)}}{x^3} \,d x","Not used",1,"int(exp(acos(1/(a*x)))/x^3, x)","F"
49,0,-1,84,0.000000,"\text{Not used}","int(exp(acos(1/(a*x)))/x^4,x)","\int \frac{{\mathrm{e}}^{\mathrm{acos}\left(\frac{1}{a\,x}\right)}}{x^4} \,d x","Not used",1,"int(exp(acos(1/(a*x)))/x^4, x)","F"
50,0,-1,69,0.000000,"\text{Not used}","int(acos(1/(a + b*x))/(d*x + (a*d)/b),x)","\int \frac{\mathrm{acos}\left(\frac{1}{a+b\,x}\right)}{d\,x+\frac{a\,d}{b}} \,d x","Not used",1,"int(acos(1/(a + b*x))/(d*x + (a*d)/b), x)","F"