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Solve  \(1 + \sqrt[3]{ x - 3} = 4\)

Mathematics
WAEC 2023

Solve  \(1 + \sqrt[3]{ x - 3} = 4\)

  • A. 30
  • B. 6
  • C. 12
  • D. 66
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Correct Answer: Option A
Explanation

\(1 + \sqrt [3]{x-3} = 4\)

= \(\sqrt[3]{x - 3} = 4 - 1\)

\(\sqrt[3]{x - 3} = 3 \)

take the cube of both sides

= x - 3 = 27
 x = 27 + 3
∴ x = 30


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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789