document.write( "Question 607313: If p + q + r =1 , pq + qr + rs = -1 and pqr = -1, find the value of p^ 3 + q^ 3 + r ^3 \n" ); document.write( "
Algebra.Com's Answer #382579 by lynnlo(4176)![]() ![]() ![]() You can put this solution on YOUR website! answer: 1 \n" ); document.write( " |