Question 1179405
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<pre>

    the average of r and s = {{{(r+s)/2}}}.


To find  r+s,  apply  the Vieta's theorem:


    r + s = {{{-b/a}}} = {{{-2/3}}}.


Therefore,  the average of r and s = {{{(r+s)/2}}} = {{{(1/2)*(-2/3)}}} = {{{-1/3}}}.     <U>ANSWER</U>
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Solved.