Make r subject of the formula given that xr..

Question 1 Report

Make r subject of the formula given that $\frac{x}{r + a} = \frac{a}{r}$

\frac{a^{2}}{(x - a)}

\frac{a^{2}}{(x + a)}

\frac{a}{x - a}

\frac{a}{x + a}

Make r subject of the formula given that xr+a=ar