Présentation de 1047.jps

/syracuse/bbgraf/tmp/1047.jpg
28.45 setxunit 90 setangle_repere -2 5 setxrange -4 6 setyrange 2 2 settkstep ticks marks traceaxes axesarrow unites /a 2.5 def /f {setxvar #rpn# 2*x^2-3*x-2 } def /g {setxvar #rpn# 2*x^2-7*x+4 } def gsave bleu 1 setlinewidth continu {f} courbe grestore gsave rouge 1 setlinewidth mixte {g} courbe grestore setTimesItalic (f) 2.7 dup f exch -0.5 add exch [1.5 dup] urtext (g) 3.5 dup g exch 0.2 add exch 0.5 add [1.5 dup] urtext (Cf) -1 dup f [1.5 dup] urtext (Cg) 0.5 dup g [1.5 dup] urtext [3 4 div dup dup f exch dup f exch 1 add exch 1 add ] (->) ligne <latex> $\overrightarrow{i}+\overrightarrow{j}$ </latex> 3 4 div dup f exch 0.5 add exch 0 add [1.5 dup] crtexlabel [a dup dup f exch dup f exch 1 add exch 1 add ] (->) ligne <latex> $\overrightarrow{i}+\overrightarrow{j}$ </latex> a dup f exch 0.5 add exch 0 add [1.5 dup] crtexlabel