大学数学常用公式
导数公式:
12,(arcsinx),,(tgx),secx21,x2,,,(ctgx)cscx1,(arccosx),,,,,(secx)secxtgx21,x
,,,,(cscx)cscxctgx1,(arctgx),xx2,,(a)alna1,x
11,,,(logx)(arcctgx),,a2xlna1,x基本积分表:
dx2tgxdx,,lncosx,C,,secxdx,tgx,C,,2cosx
ctgxdx,lnsinx,C,dx2,cscxdx,,ctgx,C,,2sinxsecxdx,lnsecx,tgx,C,
secx,tgxdx,secx,C,cscxdx,lncscx,ctgx,C,
cscx,ctgxdx,,cscx,C,dx1x,arctg,C22,xa,xaaaxadx,,C,dx1x,alna,ln,C22,x,a2ax,ashxdx,chx,C,
dx1a,x,ln,Cchxdx,shx,C22,,a,x2aa,x
dxdxx22,ln(x,x,a),C,arcsin,C,,2222ax,aa,x
,,22n,1nnI,sinxdx,cosxdx,I2nn,,,n00
2xa222222x,adx,x,a,ln(x,x,a),C,22
2xa222222x,adx,x,a,lnx,x,a,C,22
2xax2222a,xdx,a,x,arcsin,C,22a三角函数的有理式积分:
22u1,ux2dusinx,, cosx,, u,tg, dx, 2221,u1,u21,u
axb,a,0(一)含有的积分()
dx11(, lnaxbC,,,axb,a
1,,1,,,,12(,() ,,()daxbx,()axbC,,,a(1)
x13(, dx(ln)axbbaxbC,,,,2,axb,a
2x11,,224(, dx()2()lnaxbbaxbbaxbC,,,,,,3,,,axb,a2,,
dx1axb,5(, ,,lnC,xaxb(),bx
dx1aaxb,6(, ,,,lnC22,xaxb(),bxbx
x1b7(, dx(ln)axbC,,,22,()axb,aaxb,
22x1b8(, dx(2ln)axbbaxbC,,,,,,23()axb,aaxb,
dx11axb,9(, ,,lnC22,xaxb(),baxbbx(),
axb,(二)含有的积分
2310(axbx,d, ()axbC,,,3a
2311(xaxbx,d, (32)()axbaxbC,,,,215a
222223xaxbx,d12(, (15128)()axabxbaxbC,,,,,3105a
x2dx13(, (2)axbaxbC,,,2,3aaxb,
2x222214(, dx(348)axabxbaxbC,,,,3,15aaxb,
,1axbb,,ln(0),,Cb,baxbb,,dx,15(, ,,xaxb,,,2axbarctan(0),,Cb,,b,b,
dxaxbax,d16(, ,,,,2bxb2xaxb,xaxb,
dxaxb,17(, dx2axbb,,,,xxaxb,axb,axbax,d18(, dx,,2,,xx2xaxb,22xa,(三)含有的积分
dx1x19(= arctan,C22,xa,aa
xnx23d,dx20(= ,22n22212221nn,,,,()xa,2(1)()2(1)()naxanaxa,,,,
1xa,dx21(= ln,C22,xa,2axa,
2axba,,(0)(四)含有的积分
,1aarctan(0)xCb,,,babdx,22(, ,2,axb,1axb,,,ln(0),,Cb,2,,,abaxb,
x1223(, dxlnaxbC,,2,axb,2a
2xxbxd24(, dx,2,2,axb,aaaxb,
21xdxln,C(, 2522,2baxb,xaxb(),
dx1dax26(, ,,222,,xaxb(),bxbaxb,
2axb,dxa127(, ln,,C32,222xaxb(),22bxbx
xx1ddx28(, ,2222,,()axb,2()2baxbbaxb,,
2(0)a,axbxc,,(五)含有的积分
22axb,,2arctan(4),,Cbac,2244acbacb,,dx,29(, ,2,2axbxc,,124axbbac,,,2,ln(4),,Cbac22,bacaxbbac,,,,424,
x1dbx230(, dxlnaxbxc,,,22,,axbxc,,22aaaxbxc,,
22(0)a,xa,(六)含有的积分
xdx22ln()xxaC,,,31(,, arsh,C1,22axa,
dxx32(, ,C,223222axa,()xa,
x22xaC,,33(, dx,22xa,
x134(, dx,,C,22322()xa,xa,
22xax222235(, xaxxaC,,,,,ln()dx,2222xa,
2xx22dx36(, ,,,,,ln()xxaC,22322()xa,xa,
221xaa,,dxln,C37(, ,22axxxa,
22xa,dx38(, ,,C2,222axxxa,
2xa22222239(, xax,dxaxxaC,,,,,ln(),22
x3223222242240(, ()dxax,(25)ln()xaxaaxxaC,,,,,,,88
12222341(, xxax,d()xaC,,,3
4xa22222222242(, xxax,d(2)ln()xaxaxxaC,,,,,,,88
2222xaa,,xa,22xaaC,,,ln43(, dx,xx
2222xa,xa,2244(, dx,,,,,ln()xxaC,2xx22(0)a,xa,(七)含有的积分
xdxx2245(,=lnxxaC,,, arch,C1,22xaxa,
dxx46(, ,,C,223222()xa,axa,x22xaC,,47(, dx,22xa,
x148(, dx,,C,22322()xa,xa,
22xax222249(, xaxxaC,,,,,lndx,2222xa,
2xx22dx(, 50,,,,,lnxxaC,22322()xa,xa,dx1a51(, arccos,C,22axxxa,
22xa,dx52(, ,C2,222axxxa,
2xa22222253(, xax,dxaxxaC,,,,,ln,22
x3223222242254(, ()dxax,(25)lnxaxaaxxaC,,,,,,,88
12222355(, xxax,d()xaC,,,3
4xa22222222256(, xxax,d(2)lnxaxaxxaC,,,,,,,88
22xa,a2257(, dxxaaC,,,arccos,xx
2222xa,xa,2258(, dx,,,,,lnxxaC,2xx
22(0)a,ax,(八)含有的积分
xdx59(, arcsin,C,22aax,
dxx60(, ,C,223222()ax,aax,
x2261(,,,,axC dx,22ax,
x162(, dx,C,22322()ax,ax,
22xaxx2263(, ,,,,axCarcsindx,2222aax,
2xxxdx64(, ,,arcsinC,22322a()ax,ax,
221aax,,dxln,C65(, ,22axxax,
22ax,dx66(, ,,C2,222axxax,
2xax222267(, axx,daxC,,,arcsin,22a
xx32232222468(, ()daxx,(52)arcsinaxaxaC,,,,,88a
12222369(, xaxx,d,,,()axC,3
4xax222222270(, xaxx,d(2)arcsinxaaxC,,,,,88a
2222aax,,ax,22axaC,,,ln71(, dx,xx
2222axx,ax,72(, dx,,,arcsinC,2xxa
2(0)a,,,,axbxc(九)含有的积分
1dx273(, ln22axbaaxbxcC,,,,,,2aaxbxc,,
2axb,2274(, axbxcx,,daxbxc,,,4a
24acb,2 ,,,,,,ln22axbaaxbxcC38a
x1275(, dxaxbxc,,,2aaxbxc,,
b2 ,,,,,,ln22axbaaxbxcC32a
dx12axb,76(, ,,arcsinC,22acbxax,,bac,4
2242axbbacaxb,,,2277(, cbxaxx,,dcbxaxC,,,,arcsin,324a84abac,
x12baxb,278(, dx,,,,,cbxaxCarcsin,232acbxax,,24abac,
xa,()()xabx,,(十)含有或的积分 ,xb,
xa,xa,79(, dx()()ln()xbbaxaxbC,,,,,,,,xb,xb,
xa,xaxa,,80(, dx()()arcsinxbbaC,,,,,bx,bxbx,,
xa,dx()ab,81(, 2arcsin,C,bx,()()xabx,,
22()xabbaxa,,,,82(()()dxabxx,,, ()()arcsinxabxC,,,,,44bx,
()ab,
(十一)含有三角函数的积分
,,cosxC83(sindxx, ,
sinxC,84(, cosdxx,
,,lncosxC85(, tandxx,
lnsinxC,86(, cotdxx,
,xlnsectanxxC,,87(,, secdxxlntan(),,C,42
xlncsccotxxC,,88(,, cscdxxlntan,C,2
2tanxC,89(, secdxx,
2,,cotxC90(, cscdxx,
secxC,91(, sectandxxx,
,,cscxC92(, csccotdxxx,
x1293(, sindxx,,sin2xC,24
x1294(, cosdxx,,sin2xC,24
11n,nnn,,1295(, sindxx,,sincossindxxxx,,nn
11n,nnn,,1296(cosdxx, cossincosdxxxx,,,nn
dx1cos2dxnx,97(, ,,,nnn,,12,,sinxnxnx,,1sin1sindx1sin2dxnx,98(, ,,nnn,,12,,cosxnxnx,,1cos1cos
11m,mnmnmn,,,11299(cossindxxx, cossincossindxxxxx,,,mnmn,,
11n,mnmn,,,112, ,,cossincossindxxxxx,mnmn,,
11100(sincosdaxbxx, ,,,,,cos()cos()abxabxC,2()2()abab,,
11101(, sinsindaxbxx,,,,,sin()sin()abxabxC,2()2()abab,,
11102(, coscosdaxbxxsin()sin()abxabxC,,,,,2()2()abab,,
xabtan,2dx222()ab,103(, arctan,C,2222abx,sinabab,,
x22abbatan,,,dx1222()ab,104(, ln,C,22xabx,sin22ba,abbatan,,,2
dx2ababx,,22()ab,105(, arctan(tan),C,abx,cosababab,,,2
xab,tan,1ab,dx2ba,22()ab,ln,C106(, ,abba,,xab,abx,costan,2ba,
dx1b107(, arctan(tan)xC,2222,axbxcossin,aba
1tanbxa,dx108(, ln,C2222,2tanabbxa,axbxcossin,
11109(xaxxsind, sincosaxxaxC,,2,aa
12222110(xaxxsind, ,,,,xaxxaxaxCcossincos,23aaa
11111(xaxxcosd, cossinaxxaxC,,2,aa
12222112(xaxxcosd, xaxxaxaxCsincossin,,,,23aaa
a,0(十二)含有反三角函数的积分(其中)
xx22113(, arcsindxxaxCarcsin,,,,aa
22xaxxx22114(, xxarcsind()arcsin,,,,axC,a244a
3xxx122222115(, xxarcsindarcsin(2),,,,xaaxC,a39a
xx22116(, arccosdxxaxCarccos,,,,aa
22xaxxx22117(, xxarccosd()arccos,,,,axC,a244a
3xxx122222118(, xxarccosdarccos(2),,,,xaaxC,a39axxa22119(, arctandxxaxCarctanln(),,,,aa2x1xa22120(, xxarctand()arctanaxxC,,,,a22a
33xxaax2222121(, xxarctandarctanln(),,,,xaxC,a366a
(十三)含有指数函数的积分
1xx122(, axdaC,,aln
1axax123(, edx,Ce,a
1axax124(xxed, axC,,(1)e2,a
1nnaxnaxnax,1125(xxed, ,xxxeed,,aa
x1xxx126(, xaxdaaC,,2,ln(ln)aa
1nnxnxnx,1127(xaxd, ,xaxaxd,,lnlnaa
1axaxesindbxx128(, abxbbxC,,e(sincos)22,ab,
1axaxecosdbxx129(, bbxabxC,,e(sincos)22,ab,
1axnaxn,1130(, esindbxxbxabxnbbx,esin(sincos),222abn,
2nnb(1),axn,2 ,esindbxx222,abn,
1axnaxn,1131(, ecosdbxxbxabxnbbx,ecos(cossin),222abn,
2nnb(1),axn,2 ,ecosdbxx222,abn,
(十四)含有对数函数的积分
xxxCln,,132(, lndxx,
dxlnlnxC,133(, ,xxln
11nn,1134(, xxxlndxxC,,(ln),nn,,11
n,1nn135(, (ln)dxxxxnxx(ln)(ln)d,,,
1nmnmnmn,,11136(, xxx(ln)d,xxxxx(ln)(ln)d,,,,mm11
(十五)含有双曲函数的积分
chxC,137(, shdxx,
shxC,138(, chdxx,
lnchxC,139(, thdxx,
x12140(, shdxx,,,sh2xC,24
x12141(chdxx, ,,sh2xC,24
(十六)定积分
,,142(,,0 cosdnxxsindnxx,,,,,,
,143(,0 cossindmxnxx,,,
,0,mn,,144(, coscosdmxnxx,,,,,,,mn,
,0,mn,,145(, sinsindmxnxx,,,,,,,mn,
0,mn,,,,,146(,, sinsindmxnxxcoscosdmxnxx,,,,00,mn,,,2
,,nn22I147( ,, sindxxcosdxxn,,00
n,1I , Inn,2n
nn,,1342I (为大于1的正奇数),,1 I,,,,,n1nnn,253
nn,,,1331,I(为正偶数),, I,,,,,,n0n2nn,2422
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