Question

Hi, I have trouble with this
Use the Laws of Logarithms to combine the expression.
ln(a + b) + ln(a − b) − 7 ln c

thanks

Answer 1

= ln[(a+b)/(a-b)(c^7)]

Answer 2

Thanks

Answer 3

You are quite welcome. I hope method was clear: adding logs becomes multiplying the numbers, subtracting logs becomes dividing the numbers.

Answer 4

Yes, it was clear, logs have operation rules, like exponent do. Even though they're different rules!