SOLUTION: Write as single logarithm: 2log[b]^x-7log[b]y

Algebra ->  College  -> Linear Algebra -> SOLUTION: Write as single logarithm: 2log[b]^x-7log[b]y      Log On


   

Question 29824: Write as single logarithm: 2log[b]^x-7log[b]y
Answer by sdmmadam@yahoo.com(530) About Me  (Show Source):
You can put this solution on YOUR website!
The problem should be
2log[b]x-7log[b]y
=2logx-7logy (base b)
=log(x^2) -log(y^7) (using formula n[log(m)]for base b = log(m^n) for base b )
=logb[(x^2)/(y^7)] (where b here is the base)