Question

Expand log 77 divided by 25
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Answer 1

Solution:

Now, log(77 / 25)

= log77 - log25

= log(7 * 11) - log5²

= log7 + log11 - 2 log5 ,

which is the required expansion.

Rules:

• log(a / b) = loga - logb

• log(a * b) = loga + logb

• log(aᵇ) = b loga