## Make R the subject of the formula if T = $$\frac {KR^2 + M}{3}$$

Question 10
A
$$\sqrt\frac{3T - K}{M}$$
B
$$\sqrt\frac{3T - M}{K}$$
C
$$\sqrt\frac{3T + K}{M}$$
D
$$\sqrt\frac{3T - K}{M}$$
Explanation.
T = $$\frac{KR^2 + M}{3}$$

3T = KR2 + M

KR2 = 3T - M

R2 = $$\frac{3T - M}{K}$$

R = $$\sqrt\frac{3T - M}{K}$$

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