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 08:48, 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. 
