Solve \(1 + \sqrt[3]{ x - 3} = 4\)
A
30
B
6
C
12
D
66
Verified Correct Answer: A.
Step-by-Step Mathematical Solution
\(1 + \sqrt [3]{x-3} = 4\)
= \(\sqrt[3]{x - 3} = 4 - 1\)
\(\sqrt[3]{x - 3} = 3 \)
take the cube of both sides
= x - 3 = 27
x = 27 + 3
∴ x = 30
Source: WAEC / JAMB / NECO Classroom Archive (Record #68889)