Difference between revisions of "2002 AMC 12B Problems/Problem 9"
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==Solution== | ==Solution== | ||
− | We can let a=1, b=2, c=3, and d=4. <math>\frac{a}{d}=\frac{1}{4} -> \boxed{\mathrm{(C)}}</math> | + | We can let a=1, b=2, c=3, and d=4. <math>\frac{a}{d}=\frac{1}{4} -> \boxed{\mathrm{(C)}}</math> |
==See also== | ==See also== |
Revision as of 09:48, 5 February 2008
Problem
If are positive real numbers such that
form an increasing arithmetic sequence and
form a geometric sequence, then
is
Solution
We can let a=1, b=2, c=3, and d=4.