Saturday, November 23, 2013

An integer plus its reciprocal equals to 29/10. Solve.

x%2B1%2Fx=29%2F10

%28x%5E2%2B1%29%2Fx=29%2F10

10x%5E2%2B10=29x
10x%5E2-29x%2B10=0
which has solutions
{2/5 , 5/2}
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