How do we use Rolle's theorem to prove that there is at most one solution of

in [-1,1] for any b

and for what values of b does this have a solution in [-1,1]?

- Feb 11th 2011, 06:49 AMmaximus101Using Rolle's theorem to prove at most one solution of quadratic
How do we use Rolle's theorem to prove that there is at most one solution of

in [-1,1] for any b

and for what values of b does this have a solution in [-1,1]? - Feb 11th 2011, 07:08 AMFernandoRevilla
If were roots of then, would exist such that , but (contradiction). Try the second question.

Fernando Revilla - Feb 11th 2011, 07:12 AMalexmahone
- Feb 11th 2011, 07:22 AMalexmahone