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djverab [1.8K]
3 years ago
12

What is log x + log y - 2 log z written as a single logarithm?

Mathematics
1 answer:
Mademuasel [1]3 years ago
3 0

Answer:

D) log (xy/z^2)

Step-by-step explanation:

The given expression is log x + log y - 2 log z

Here we use log rules to simplify this.

Product rule: log x + log y = log (xy)

Quotient rule : log x - log y = log(x/y)

Power rule: log(x^y) = y.log(x)

Using the product rule

log x + log y - 2 log z

= log(xy) - 2 log z

Use the power rule now.

= log(xy) - log z^2

Now we have to use the Quotient rule and simplify.

= log \frac{xy}{z^{2} }

Answer: D) log (xy/z^2)


Thank you.

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