@options;
  repereortho(240,270,40,1,1){ 0 , moyen , noir , num1 };

@figure;
  f = fonction( (x*x-1)/(1+x+x*x) )  { vertfonce , 2 };
  g = fonction( exp(x) )  { noir , 2 };
  M = pointsur( f , -1.92 )  { vertfonce , rond2 , gras,italique , p2 , coord , (0.08,-0.27) };
  P = pointsur( g , 0.95 )  { noir , rond2 , gras,italique , p1 , coordx , (-0.27,-0.48) };
  d1 = tangente( f , M )  { rouge };
  d2 = tangente( g , P )  { orange };