.!"P“`p$?”&'(\r)*+\n,-./0:&23\n45 @P“`p$?”\r67??.8`p9:?9:;<=`p>?:?>\r?:;<n,Af(x)=C%3_K8,M1KBC)\rA.f(x)STUVWXY56\rB.f(x)STUV\Y]X;^0\rC.f(x)STUV`YU]X'ab70\rD.f(i)=-16,gVihXij\rkl:8\r?mr,o`p2r,\rqrstAu=|,qrw,qrf(x)=(x3-i)8.\r31\rx,A,f(x)STUyYT.=C5x24-3r-(-i)r=(-l),C^x24-41,\r1+1\r24-40,k(r=6,qrf(x)STUWXY(T)15=28,\rAEvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\rx,B,f(l)=O,
f(x)STU\Y]X;^0,B\rx,C,f(x)STUV`YU]X'ab=70,C\rx,D,f(i)=(i3-1)8=(-i+i)8=0,D.BC.\r18.f(x)=(l+2x)m+(l+2x)n(m,nN*)STUVx]X24,\roSTUVX?]X'b.\rklf(x)STUVx]X24,(\rC^2x+C^2x=2mx+2nx=24x,k(m+n=12.\r8f(x)STUVX?]Xt,o\rt=C^22+C^22=2(m2+n2-m-n)=\r2\r2m\r2(m+n-12)22rT2]=2X(72-12)=120.\rm=n=6,t?'b120.\rqrf(x)STUVx2]X'b120.\r#120