22/09/14 10:17:16.81 G6B4WKyl.net
前>>111
>>44
11(a-1)^2/6=(a-b+1)^2+(a^2+ab-a-2b+2)(a+b-3)+2(a-1)^2∫[x=1→｛a+√(a^2+4b)｝/2](ax+b-x^2)dx
=b^2-2(a+1)b+(a+1)^2+(a-2)b^2+｛a^2-a+2+(a-2)(a-3)｝b+(a^2-a+2)(a-3)+2(a-1)^2[a｛a+√(a^2+4b)｝^2/(4・2)+b｛a+√(a^2+4b)｝/2-｛a+√(a^2+4b)｝^3/(3・2^3)-a/2-b+1/3]
44(a-1)^2=24(a-1)b^2+48(a-1)(a-3)b+24(a^2+2a+1+a^3-a^2+2a-3a^2+3a-6)+2(a-1)^2[3a｛2a^2+4b+2a√(a^2+4b)｝+12ab+12√(a^2+4b)+a^3+3a^2√(a^2+4b)+3a^3+12ab+(a^2+4b)√(a^2+4b)-12a-24b+8]
44a^2-88a+44=24(a-1)b^2+48(a-1)(a-3)b+24(a^3-3a^2+7a-8)+2(a-1)^2[3a｛2a^2+4b+2a√(a^2+4b)｝+12ab+12√(a^2+4b)+a^3+3a^2√(a^2+4b)+3a^3+12ab+(a^2+4b)√(a^2+4b)-12a-24b+8]