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1. 3 log2+ log5= ?

  • A. log 40
  • B. log 40
  • C. log 40
  • D. log 40

Answer: Option A

Explanation:

3 log2 + log 5

=log 23  + log 5

= log 8 + log 5

= log (8 × 5) 

= log 40

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