The Purplemath Forums

Helping students gain understanding and self-confidence in algebra.

Skip to content

Surds Indices and Logarithms.

Quadratic equations and inequalities, variation equations, function notation, systems of equations, etc.
Post Reply
JiaGengMaths
Posts: 6
Joined: Thu Apr 19, 2012 8:12 am
Contact:
Contact JiaGengMaths

Surds Indices and Logarithms.

Postby JiaGengMaths » Thu Apr 19, 2012 8:20 am

Given that logb(xy^2)=m and logb(x^3y)=n, express logb(y/x) and logb(xy)^0.5 in terms of m and n.
Thanks for helping. :D
Top
User avatar
maggiemagnet
Posts: 355
Joined: Mon Dec 08, 2008 12:32 am
Contact:
Contact maggiemagnet

Re: Surds Indices and Logarithms.

Postby maggiemagnet » Fri Apr 20, 2012 1:10 pm

JiaGengMaths wrote:Given that logb(xy^2)=m and logb(x^3y)=n, express logb(y/x) and logb(xy)^0.5 in terms of m and n.
Thanks for helping. :D

You'll probably want to start with the rules for "expanding" logs.
:clap:
Top
Post Reply

Return to “Intermediate Algebra”

Powered by phpBB® Forum Software © phpBB Limited Color scheme created with Colorize It.
American English Language Pack © Maël Soucaze