If log 2 = a and log5 =b, then log50=?

If log 2 = a and log5 =b, then log50=?

  1. a) a + b
  2. b) a + b²
  3. c) ab²
  4. d) a + 2b

From the BREB Assistant General Manager (O&M / E&C) 2021 – Preliminary exam, question 19 of 48.

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