Question

Express the given logarithmic expression as a single logarithm.

5ln(x) + 2ln(y)

select one:

a. in(x^5y^2)
b. in(x^5/y^2)        (incorrect)
c. in(xy)^10
d. 7in(xy)

Answer 1

Using the laws of logarithms, we get:
`5\ ln(x)+2\ ln(y)=ln(x)^(5)+ln(y)^(2)=ln( x^(5)y^(2))`
The answer is a.