Given that \(27^{(1+x)}=9,\) find x
MATHEMATICS
WAEC 2000
Given that \(27^{(1+x)}=9,\) find x
- A. -3
- B. \(\frac{-1}{3}\)
- C. \(\frac{5}{3}\)
- D. 2
Correct Answer: B. \(\frac{-1}{3}\)
Explanation
\(27^{(1+x)}=9\\
3^{3(1+x)}=3^2\\
3(1+x)=2\\
3+3x = 2\\
3x = -1
x = \frac{-1}{3}\)
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