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Mathematics

If log (3x + 1) = 2, then the value of x is

  1. 13\dfrac{1}{3}

  2. 99

  3. 33

  4. 193\dfrac{19}{3}

Logarithms

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Answer

Given,

log (3x + 1) = 2

⇒ 102 = 3x + 1

⇒ 100 = 3x + 1

⇒ 3x = 100 - 1

⇒ 3x = 99

⇒ x = 33.

Hence, Option 3 is the correct option.

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