Question 29570
{{{ m = n*sqrt((c+v)/(c-v)) }}}
{{{ m/n = sqrt((c+v)/(c-v)) }}}
{{{ (m/n)^2 = (c+v)/(c-v) }}}
{{{ (c-v)*(m/n)^2 = c+v }}}
{{{ c*(m/n)^2 - v*(m/n)^2 = c+v }}}
{{{ c*(m/n)^2 - c  = v + v*(m/n)^2}}}
{{{ c*((m/n)^2 - 1)  = v*(1 + (m/n)^2)}}}
{{{ (c*((m/n)^2 - 1))/(1 + (m/n)^2)  = v}}}


jon.