n (a)Trapezoidal (b)Modified Exact 01 1.66300388884539 1.81300305551900 1.80904847580054 01 0.62032971346495 0.62049637735385 0.62053660344676 02 1.70578352483658 1.81184939470095 1.80904847580054 02 0.62046335365173 0.62052227897131 0.62053660344676 03 1.72473384781804 1.81133633473817 1.80904847580054 03 0.62049670643103 0.62052878138658 0.62053660344676 04 1.73603017537233 1.81103014933068 1.80904847580054 04 0.62051067994189 0.62053151325353 0.62053660344676 05 1.74373906848039 1.81082109289827 1.80904847580054 05 0.62051804939262 0.62053295650254 0.62053660344676 06 1.74942949675639 1.81066673087578 1.80904847580054 06 0.62052248625800 0.62053382648304 0.62053660344676 07 1.75385207549919 1.81054674002261 1.80904847580054 07 0.62052539898003 0.62053439813109 0.62053660344676 08 1.75741700295624 1.81045000694167 1.80904847580054 08 0.62052743165530 0.62053479734901 0.62053660344676 09 1.76036987833353 1.81036987490417 1.80904847580054 09 0.62052891625799 0.62053508909623 0.62053660344676 10 1.76286791917698 1.81030208144427 1.80904847580054 10 0.62053003947097 0.62053530993286 0.62053660344676 n (c)Trapezoidal Exact 01 1.80834724583790 1.80904847580054 01 0.62098710580663 0.62053660344676 02 1.80887316907872 1.80904847580054 02 0.62064918207533 0.62053660344676 03 1.80897056176751 1.80904847580054 03 0.62058663452889 0.62053660344676 04 1.80900464916996 1.80904847580054 04 0.62056474516981 0.62053660344676 05 1.80902042676084 1.80904847580054 05 0.62055461392419 0.62053660344676 06 1.80902899730221 1.80904847580054 06 0.62054911063776 0.62053660344676 07 1.80903416506772 1.80904847580054 07 0.62054579236576 0.62053660344676 08 1.80903751914604 1.80904847580054 08 0.62054363869416 0.62053660344676 09 1.80903981869099 1.80904847580054 09 0.62054216215062 0.62053660344676 10 1.80904146354191 1.80904847580054 10 0.62054110599101 0.62053660344676 n (d)Gauss-Legendre (e)Gauss-Jacobi Exact 01 1.93782484342129 1.88991389262948 1.80904847580054 01 0.49480791850905 0.65438939359230 0.62053660344676 02 1.81171281375161 1.80861639537771 1.80904847580054 02 0.62731199245529 0.62033101813082 0.62053660344676 03 1.80885616175007 1.80904938620850 1.80904847580054 03 0.62055377024208 0.62053705615070 0.62053660344676 04 1.80904896508031 1.80904847477822 1.80904847580054 04 0.62053289343271 0.62053660292675 0.62053660344676 05 1.80904852966132 1.80904847580126 1.80904847580054 05 0.62053662079603 0.62053660344713 0.62053660344676 06 1.80904847548613 1.80904847580054 1.80904847580054 06 0.62053660407028 0.62053660344676 0.62053660344676