Question 355311
{{{y= (x+2)^2/(x^2-4)}}}
 {{{y= (x+2)^2/((x-2)(x+2))}}}
{{{y= (x+2)/(x-2)}}}
a) is the correct answer.
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.
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{{{drawing(300,300,-5,5,-5,5,blue(line(2,10,2,-10)),grid(1),graph(300,300,-5,5,-5,5,(x+2)/(x-2)))}}}