해법
확장 (2x3+x1)29
해법
536870912x87+7784628224x83+54492397568x79+245215789056x75+796951314432x71+1992378286080x67+3984756572160x63+6546385797120x59+9001280471040x55+1.05015E13x51+1.05015E13x47+57024005.17178E19x43+684288004.6546E20x39+8895744003.95641E21x35+17791488004.52161E21x31+17791488002.2608E21x27+8895744004.94551E20x23+684288001.45456E19x19+70855249920x15+20510730240x11+5127682560x7+1098789120x3+x199779840+x530401280+x93800160+x13380016+x1729232+x211624+x2558+x291
솔루션 단계
(2x3+x1)29
이항 정리 적용: (a+b)n=i=0∑n(in)a(n−i)bia=2x3,b=x1
=i=0∑29(i29)(2x3)(29−i)(x1)i
합계 확장
=0!(29−0)!29!(2x3)29(x1)0+1!(29−1)!29!(2x3)28(x1)1+2!(29−2)!29!(2x3)27(x1)2+3!(29−3)!29!(2x3)26(x1)3+4!(29−4)!29!(2x3)25(x1)4+5!(29−5)!29!(2x3)24(x1)5+6!(29−6)!29!(2x3)23(x1)6+7!(29−7)!29!(2x3)22(x1)7+8!(29−8)!29!(2x3)21(x1)8+9!(29−9)!29!(2x3)20(x1)9+10!(29−10)!29!(2x3)19(x1)10+11!(29−11)!29!(2x3)18(x1)11+12!(29−12)!29!(2x3)17(x1)12+13!(29−13)!29!(2x3)16(x1)13+14!(29−14)!29!(2x3)15(x1)14+15!(29−15)!29!(2x3)14(x1)15+16!(29−16)!29!(2x3)13(x1)16+17!(29−17)!29!(2x3)12(x1)17+18!(29−18)!29!(2x3)11(x1)18+19!(29−19)!29!(2x3)10(x1)19+20!(29−20)!29!(2x3)9(x1)20+21!(29−21)!29!(2x3)8(x1)21+22!(29−22)!29!(2x3)7(x1)22+23!(29−23)!29!(2x3)6(x1)23+24!(29−24)!29!(2x3)5(x1)24+25!(29−25)!29!(2x3)4(x1)25+26!(29−26)!29!(2x3)3(x1)26+27!(29−27)!29!(2x3)2(x1)27+28!(29−28)!29!(2x3)1(x1)28+29!(29−29)!29!(2x3)0(x1)29
0!(29−0)!29!(2x3)29(x1)0간소화하다 :536870912x87
1!(29−1)!29!(2x3)28(x1)1간소화하다 :7784628224x83
2!(29−2)!29!(2x3)27(x1)2간소화하다 :54492397568x79
3!(29−3)!29!(2x3)26(x1)3간소화하다 :245215789056x75
4!(29−4)!29!(2x3)25(x1)4간소화하다 :796951314432x71
5!(29−5)!29!(2x3)24(x1)5간소화하다 :1992378286080x67
6!(29−6)!29!(2x3)23(x1)6간소화하다 :3984756572160x63
7!(29−7)!29!(2x3)22(x1)7간소화하다 :6546385797120x59
8!(29−8)!29!(2x3)21(x1)8간소화하다 :9001280471040x55
9!(29−9)!29!(2x3)20(x1)9간소화하다 :1.05015E13x51
10!(29−10)!29!(2x3)19(x1)10간소화하다 :36288003.81078E19x47
11!(29−11)!29!(2x3)18(x1)11간소화하다 :399168003.62024E20x43
12!(29−12)!29!(2x3)17(x1)12간소화하다 :4790016003.25822E21x39
13!(29−13)!29!(2x3)16(x1)13간소화하다 :62270208002.76949E22x35
14!(29−14)!29!(2x3)15(x1)14간소화하다 :871782912002.21559E23x31
15!(29−15)!29!(2x3)14(x1)15간소화하다 :871782912001.10779E23x27
16!(29−16)!29!(2x3)13(x1)16간소화하다 :62270208003.46186E21x23
17!(29−17)!29!(2x3)12(x1)17간소화하다 :4790016001.01819E20x19
18!(29−18)!29!(2x3)11(x1)18간소화하다 :70855249920x15
19!(29−19)!29!(2x3)10(x1)19간소화하다 :20510730240x11
20!(29−20)!29!(2x3)9(x1)20간소화하다 :5127682560x7
21!(29−21)!29!(2x3)8(x1)21간소화하다 :1098789120x3
22!(29−22)!29!(2x3)7(x1)22간소화하다 :x199779840
23!(29−23)!29!(2x3)6(x1)23간소화하다 :x530401280
24!(29−24)!29!(2x3)5(x1)24간소화하다 :x93800160
25!(29−25)!29!(2x3)4(x1)25간소화하다 :x13380016
26!(29−26)!29!(2x3)3(x1)26간소화하다 :x1729232
27!(29−27)!29!(2x3)2(x1)27간소화하다 :x211624
28!(29−28)!29!(2x3)1(x1)28간소화하다 :x2558
29!(29−29)!29!(2x3)0(x1)29간소화하다 :x291
=536870912x87+7784628224x83+54492397568x79+245215789056x75+796951314432x71+1992378286080x67+3984756572160x63+6546385797120x59+9001280471040x55+1.05015E13x51+36288003.81078E19x47+399168003.62024E20x43+4790016003.25822E21x39+62270208002.76949E22x35+871782912002.21559E23x31+871782912001.10779E23x27+62270208003.46186E21x23+4790016001.01819E20x19+70855249920x15+20510730240x11+5127682560x7+1098789120x3+x199779840+x530401280+x93800160+x13380016+x1729232+x211624+x2558+x291
36288003.81078E19x47=1.05015E13x47
399168003.62024E20x43=57024005.17178E19x43
4790016003.25822E21x39=684288004.6546E20x39
62270208002.76949E22x35=8895744003.95641E21x35
871782912002.21559E23x31=17791488004.52161E21x31
871782912001.10779E23x27=17791488002.2608E21x27
62270208003.46186E21x23=8895744004.94551E20x23
4790016001.01819E20x19=684288001.45456E19x19
=536870912x87+7784628224x83+54492397568x79+245215789056x75+796951314432x71+1992378286080x67+3984756572160x63+6546385797120x59+9001280471040x55+1.05015E13x51+1.05015E13x47+57024005.17178E19x43+684288004.6546E20x39+8895744003.95641E21x35+17791488004.52161E21x31+17791488002.2608E21x27+8895744004.94551E20x23+684288001.45456E19x19+70855249920x15+20510730240x11+5127682560x7+1098789120x3+x199779840+x530401280+x93800160+x13380016+x1729232+x211624+x2558+x291