Question 761620
Solve this formula for s in terms of r: r/s=s/r-s
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If you mean r/s=s/(r-s)
{{{r(r-s) = s^2}}}
{{{r^2 - rs = s^2}}}
{{{s^2 + rs - r^2 = 0}}}
{{{s = (-r +-sqrt(r^2 + 4r^2))/2}}}
{{{s = (-r +-r*sqrt(5))/2}}}
{{{s = (r/2)*(-1 +-sqrt(5))}}}