Saturday, 2 July 2016

calculus - Prove that the function is continuous

Let f be a given function such that (f(x))3+2f(x)=x+1 for every real x. Prove that f is continuous on R.



(I have been trying to prove this, but I find it difficult proving that f is continuous, if we know that the inverse function is.)

No comments:

Post a Comment

real analysis - How to find limhrightarrow0fracsin(ha)h

How to find lim without lhopital rule? I know when I use lhopital I easy get $$ \lim_{h\rightarrow 0}...