Mathematics 2011 Discuss

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

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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.
Share Answer T = \(\frac{KR^2 + M}{3}\)

3T = KR2 + M

KR2 = 3T - M

R2 = \(\frac{3T - M}{K}\)

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

Correct Option:
B

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