the equations in question are log_{4}(x+1)-log_{4}3=1 and 4(7^{x})-7^{2x}=3

not sure what method to use to approach these.

thanks

age

Printable View

- February 10th 2013, 04:59 AMagehayoshinalogarithm equation help.
the equations in question are log

_{4}(x+1)-log_{4}3=1 and 4(7^{x})-7^{2x}=3

not sure what method to use to approach these.

thanks

age - February 10th 2013, 05:21 AMPlatoRe: logarithm equation help.
- February 10th 2013, 05:37 AMagehayoshinaRe: logarithm equation help.
Could you please explain how you got to those answers?

- February 10th 2013, 05:49 AMHallsofIvyRe: logarithm equation help.
In the first problem Plato used the fact that and that .

For the second, he substituted y for , as he said, and used the fact that .