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If 1, ₉ (3^ 1-x +2 ), ₃ (4.3^x-1 ) are in A.P. then x equals

Options

  1. A₃ 4
  2. B1 + ₃ 4
  3. C1 - ₃ 4
  4. D₄ 3

Correct answer

C. 1 - ₃ 4

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