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

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}

Introductory Calculus

Change Of Subject Of A Formula/Relation

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