y=(1/x^2)+1/(x+2)^2-10/9 graph

						var board = JXG.JSXGraph.initBoard('box1', {
boundingbox: [-6, 6, 6, -6],showNavigation:false, showcopyright: false, axis: true,
});

var f1 = board.create('functiongraph',[function(x){ return  (1/x/x)+1/((x+2)*(x+2))-10/9}, -10,100]);