In \( \triangle \mathrm{ABC} \), if \( \mathrm{a}=2 \mathrm{~b} \) ...
In \( \triangle \mathrm{ABC} \), if \( \mathrm{a}=2 \mathrm{~b} \) and \( \mathrm{A}=3 \mathrm{~B} \), then the value of \( \frac{\mathrm{c}}{\mathrm{b}} \) is equal to
\( \mathrm{P} \)
(A) 3
(B) \( \sqrt{2} \)
(C) 1
(D) \( \sqrt{3} \)
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