17. If r is the ratio of the roots of the quadratic equation a x2 + b x + c = 0, show that (r + 1)2 ac = b2r.

17. If r is the ratio of the roots of the quadratic equation a x2 + b

1.	17. If r is the ratio of the roots of the quadratic equation a x2 + b x + c = 0, show that (r + 1)2 ac = b2r.
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17. If r is the ratio of the roots of the quadratic equation a x2 + b x + c = 0, show that (r + 1)2 ac = b2r.​

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17. If r is the ratio of the roots of the quadratic equation a x2 + b x + c = 0, show that (r + 1)2 ac = b2r.