ƚ  N  .   &` & MathTypePSymbolA ww 0wh f-2 ~ (ySymbol dww 0wh f-2 ~ )yTimes New Romanww 0wh f-2 Icy2 mby2  ay2 cy2 ~by2 ayTimes New Romanww 0wh f-2 3y2  2y2 H 6y2 182 122 462Symbol "ww 0wh f-2 {+22  -22  =22 +22 -2 & "Systemh f !-