I$J,dd   1Courier New1Symbol New1Courier New1Courier NewTimes New RomanTimes New Roman1Courier New1Courier New1Courier New1Courier New.V.} d< p @@fYeYefYeYe@???@@@@@@033333??@^ߛOw?̌???{ (G@ (11@@?@ @@@?@@2 ??@????????  $ߨkx dy/dx = kxP8P2 ??@????????lky dy/dx = kyP8P2 ??@???????? hNax-bydy/dx = ax-byP8Pxyz??JXT@?@@@@@@@@@@@@@@@@@@@@@@@@@@@HHHdy/dx = kx8Pި|oP?PTXnPaa@fYeYe~}}@# @,dy/dx = kyaa@fYeYen۶m۶m@|dy/dx = ax-by|oP?PnPPaa@fYeYe뺮@( j