If the AM of two positive numbers be three times their geometric me...
If the AM of two positive numbers be three times their geometric mean then the ratio of the
\( \mathrm{P} \) numbersis
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(a) \( 3 \pm 2 \sqrt{2} \)
(b) \( \sqrt{2} \pm 1 \)
(c) \( 17+12 \sqrt{2} \)
(d) \( (3-2 \sqrt{2})^{-2} \)
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