EM-249

Changing the subject of a formula

E Math · Secondary 3 · Hard · Changing the subject of a formula

1. $\dfrac{-3r^2}{S-p}$
2. $\dfrac{3r^2}{S-p}$
3. $\dfrac{-3r^2}{S+p}$
4. $\dfrac{pq-3r^2}{S}$

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