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If \(\frac{9^{2x-1}}{27^{x+1}} = 1\), find the value of x.

Mathematics
JAMB 2003

If \(\frac{9^{2x-1}}{27^{x+1}} = 1\), find the value of x.

  • A. 8
  • B. 5
  • C. 3
  • D. 2
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Correct Answer: Option B
Explanation

\(\frac{9^{2x - 1}}{27^{x + 1}} = 1\)

\(\implies 9^{2x - 1} = 27^{x + 1}\)

\((3^{2})^{2x - 1} = (3^{3})^{x + 1}\)

\(2(2x - 1) = 3(x + 1) \implies 4x - 2 = 3x + 3\)

\(4x - 3x = 3 + 2 \implies x = 5\)

There is an explanation video available below.


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Explanation Video

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