Ask a New Question

Question

2logY=log2 + 3logX - 1
2^Y = 4^X - 2
4 years ago

Answers

oobleck
using the rules of logs,
log y^2 = log(2*x^3/10)
y^2 = 1/5 x^3

2^y = 2^(2x-4)
y = 2x-4

combining those, you get
(2x-4)^2 = 1/5 x^3
x^3 - 20(x-2)^2 = 0
no easy roots there.

Maybe you should try using some parentheses, so we know just what you meant.
4 years ago

Related Questions

3logx = 6-2x Thanks This is a problem that is best solved by iteration, or graphing. I recomme... solve log2(3x-1)-log2(x-1)=log2(x+1) i have absolutely no idea how to solve this. can anyone help m... 2logy=log2+logx 3logX - log6 + log2.4 = 9 If y=e^x+3logx then prove that dy/dx=x^2(x+3)e^x. If e^(x+3logx) then prove that dy/dx=x^2(x+3)e^x....can anyone help me out...plz note 3+logx is in a... Simplify: A) log(x+1)+3logx B) 2log4np-3log4p C) 2ln(3x)+ln(5x)-ln6xy D) 22log10+log1000-... Simplify logx(x/4)+3logx(2/5)-log21(2/25) ѕolve хy=80 logх-2logy=1 Log(x-2)+log2=2logy
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use