- #1
transgalactic
- 1,395
- 0
f(x) and g(x) are differentiable on 0
f(0)=g(0)=0
calculate
[tex]
\lim _{x->0}\frac{cosf(x)-cosg(x)}{x^2}
[/tex]
??
it looks like cauchys mean value theorem
F(x)=cos(f(x))
G(x)=cos(g(x))
what to do next??
f(0)=g(0)=0
calculate
[tex]
\lim _{x->0}\frac{cosf(x)-cosg(x)}{x^2}
[/tex]
??
it looks like cauchys mean value theorem
F(x)=cos(f(x))
G(x)=cos(g(x))
what to do next??