- #1
PhizKid
- 477
- 1
Homework Statement
[tex]\sqrt[4]{2x + 1} - 0.1 < \frac{1}{2}x + 1 < \sqrt[4]{2x + 1} + 0.1[/tex]
Homework Equations
The Attempt at a Solution
I'm having trouble getting just an 'x' by itself in the middle because of the 4th root. How should I solve this inequality? I tried everything but always end up with something to the 4th power after expanding 4 binomials.
(Solution: -0.368935 < x < 0.677669)