GIF89a@@@,0I8ͻ`(dihl+O@ B.D#3/Hn@Юjdd0R e3+#ov1Plu=tPaJmvu}.6>ywro2h@NBU|;k 5 f@}05yQp:o0;_i5 \Ъ TP n=?|ʔ{ukIt M4"/ƤX7NOsBCDhH(,<dd%THG 52LoELNb?=P<{R^~1c1s)ɛ\ `clJX&.bɞ y裃餔Vj饘f$! MathType001T F(x,y,t)=xcost+2ysint-4=0;