Same chapter3 marksDifficulty: Medium
If log 2 = 0.3010 and log 3 = 0.4771, find log 12.
Logarithms
3 marksDifficulty: Medium
State the three laws of logarithms.
Original Khojo Papers practice question — not from a past board paper.
Answer
The logarithm of a product is the sum of the logarithms, log(mn) = log m + log n. The logarithm of a quotient is the difference, log(m/n) = log m − log n. The logarithm of a power is the index times the logarithm, log(mn) = n log m.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
All three hold only for logarithms to the same base and for positive numbers.
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