Hello, I need help on this question:
Find the value, or values, of x for which giving your answer, or answers, to 3 significant figures.
, Thank you in advance.
There are a couple of ways. Here's one that uses the basic definitions:
Now for a little grouping work:
Multiply both sides by :
This is a quadratic in so you can finish this. If that is hard for you to see then:
Let . The equation becomes:
Solve this with the quadratic formula (or completing the square) then take the natural log of it to get x.
For reference I got .
-Dan