// xcas version=0.6.3 fontsize=20 font=0 // fltk 7Fl_Tile 13 -100 909 31 20 0 [ // fltk N4xcas23Comment_Multiline_InputE 13 -100 909 30 20 0 Pour visualiser le graphe associe au tableur au demarrage, cliquer sur reeval , // fltk N4xcas10Log_OutputE 13 -70 909 1 20 0 ] , // fltk 7Fl_Tile 13 -67 909 610 20 0 [ // fltk N4xcas13Tableur_GroupE 13 -67 909 609 20 0 1 1 1 0 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, // fltk N4xcas10Log_OutputE 13 542 909 1 20 0 ] , // fltk 7Fl_Tile 13 545 909 31 20 0 [ // fltk N4xcas23Comment_Multiline_InputE 13 545 909 30 20 0 ici le calcul formel donne directement la solution , // fltk N4xcas10Log_OutputE 13 575 909 1 20 0 ] , // fltk 7Fl_Tile 13 578 909 54 20 0 [ // fltk N4xcas19Multiline_Input_tabE 13 578 909 30 20 0 u:=factor(6/n*sum(k^2,k,1,n)) , // fltk N4xcas10Log_OutputE 13 608 909 1 20 0 , // fltk N4xcas8EquationE 13 609 909 23 20 0 (n+1)*(2*n+1) ] , // fltk 7Fl_Tile 13 634 909 31 20 0 [ // fltk N4xcas19Multiline_Input_tabE 13 634 909 30 20 0 , // fltk N4xcas10Log_OutputE 13 664 909 1 20 0 ]