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

Mathematics
JAMB 2011
Make R the subject of the formula if T = \(\frac {KR^2 + M}{3}\)
  • A. \(\sqrt\frac{3T - K}{M}\)
  • B. \(\sqrt\frac{3T - M}{K}\)
  • C. \(\sqrt\frac{3T + K}{M}\)
  • D. \(\sqrt\frac{3T - K}{M}\)
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Correct Answer: Option B
Explanation
T = \(\frac{KR^2 + M}{3}\)

3T = KR2 + M

KR2 = 3T - M

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

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

There is an explanation video available below.

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Explanation Video

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts