Wednesday
April 1, 2015

Homework Help: Logarithms

Posted by Helper on Wednesday, March 9, 2011 at 12:24am.

I'm working on logarithmic equations and I'm stuck on how my book arrives at the next step.

First, they use the change of base formula on,

log(sqrt(2))(x^3 - 2)
(sqrt(2)) is the base,changing to base 2

log(sqrt(2))(x^3 - 2)=
log2(x^3 - 2)/(log2(sqrt(2))

I understand that part.
The next step, the book has
log2(x^3 - 2)/(log2(sqrt(2))=
2 log2(x^3 - 2)

How did they get = 2 log2(x^3 - 2)??

I tried applying the different rules but I just can't get how they arrive at
= 2 log2(x^3 - 2)??

Please help. Thanks in advance.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Math Help please!! - Could someone show me how to solve these problems step by ...
Pre-Calculus - Laws of Logarithms Without using a calculator use the change of ...
Precalculus - This is for solving exponential/logarithmic functions: (This is a ...
math - Use the Laws of logarithms to rewrite the expression log(base 2)(11x(x-9...
Calculus - Please look at my work below: Solve the initial-value problem. y'' + ...
TRig WIth LoGs help1!! - i have problem i can't solve and the book is no help.. ...
MATH - I need to simply this equation, but I got stuck. h/(4-sqrt(16+h)) = y ...
math(Please help) - 1) use the properties of logarithms to simplify the ...
algebra,math,help - Use Property 2 to simplify each of the following radical ...
Math - The problem I have to solve is log with base 2 ^6 multiply by log base 6...

Members