Difference between revisions of "User:Temperal/Introductory Proportion"

 
(Problem)
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==Problem==
 
==Problem==
*Suppose <math>\displaystyle \frac{1}{20}</math> is either '''x''' or '''y''' in the following system:<br />
+
Suppose <math>\displaystyle \frac{1}{20}</math> is either '''x''' or '''y''' in the following system:<br />
 
:<math>\begin{cases}
 
:<math>\begin{cases}
 
xy=\frac{1}{k}\\
 
xy=\frac{1}{k}\\
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\end{cases}</math> <br />
 
\end{cases}</math> <br />
 
Find the possible values of '''k'''.
 
Find the possible values of '''k'''.
 +
 
==Solution==
 
==Solution==
 
{{solution}}
 
{{solution}}

Revision as of 20:06, 15 September 2007

Problem

Suppose $\displaystyle \frac{1}{20}$ is either x or y in the following system:

$\begin{cases} xy=\frac{1}{k}\\ x=ky \end{cases}$

Find the possible values of k.

Solution

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