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CAT 2024 Set-3 | Quantitative Aptitude | Question: 8

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The sum of all distinct real values of $x$ that satisfy the equation $10^{x}+\frac{4}{10^{x}}=\frac{81}{2}$, is

  1. $4 \log _{10} 2$
  2. $2 \log _{10} 2$
  3. $3 \log _{10} 2$
  4. $\log _{10} 2$

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