- #1
knowLittle
- 312
- 3
Homework Statement
Prove Existence Unique Real Solution to
## x^{3} + x^{2} -1 =0 ## between ## x= \frac{2}{3} \text{and} x=1##
The Attempt at a Solution
## x^{2} ( x+1) =1 ##
I know that the solution is x =0.75488, but this came from some website. How do I find this number without a calculator?