Without using tables find the numerical value of log749 + log7((frac{1}{7}))

Without using tables find the numerical value of log749 + log7((frac{1}{7}))
  • A.
    1
  • B.
    2
  • C.
    3
  • D.
    7
  • E.
    9
Correct Answer: Option A
Explanation

log749 + log7(frac{1}{7})
= log77
= 1

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