Logarithms Practice Test 1

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Question : 23 of 40

Marks: +1, -0

Solve for a:
If

\log ({xy^2}/z^3)=\log x+2\log y-a

log z
log z + 2 log y
3 log z
1 3 log z
None of these

Solution:

\log ({xy^2}/z^3)=\log x+2\log y-a

\log x+2\log y-3\log z=\log x+2\log y-a

⇒a=3\log z

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