If p and q are the roots of the equation lx2+nx+n=0 show that pq+qp+nl=0.

If p and q are the roots of the equation $l x^{2} + n x + n = 0$ show that $\sqrt{\frac{p}{q}} + \sqrt{\frac{q}{p}} + \sqrt{\frac{n}{l}} = 0 .$

Matching exercise

Match the items on the right to the items on the left.

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