2. Express the following logarithms in terms of ln 5 and ln 7.
b. ln 9.8

Explain why or why not Determine whether the following statements are true and give an explanation or counterexample.

c. ln(1 + √2) = −ln(−1 + √2)

1. Express the following logarithms in terms of ln 2 and ln 3.

b. ln(4/9)

1. Express the following logarithms in terms of ln 2 and ln 3.

d. ln ∛9

1. Express the following logarithms in terms of ln 2 and ln 3.

f. ln √(13.5)

2. Express the following logarithms in terms of ln 5 and ln 7.

d. ln 1225

2. Express the following logarithms in terms of ln 5 and ln 7.

f. (ln35 + ln(1/7))/(ln25)

3. Use the properties of logarithms to write the expressions in Exercises 3 and 4 as a single term.

b. ln(3x² - 9x) + ln(1/3x)

4. Use the properties of logarithms to write the expressions in Exercises 3 and 4 as a single term.

a. ln secθ + ln cosθ