Let $\phi (x) = x + 2^{\log_x 3} - 3^{\log_x 2}$. Then which of the following is true?

  • A
    $\phi (2) = 2$
  • B
    $\phi (1) = 0$
  • C
    $\phi (-1.5) = 0.5$
  • D
    None of these

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