Discussion of Question with ID = 004 under Logarithms

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Question

What is the value of log(4) + log(5)?

A

log($4 × 5$).

B

log($5 + 4$).

C

log4(5).

D

log5(4).

Soln.
Ans: a

log(mn) = log(m) + log(n) always.


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