- Write the definition of the derivative of a function of x as a limΔx→0
I have no idea what this is talking about.
- Consider
H(x)={x(1−cos(1x))x≠00,x=0
Using the limit definition of the derivative find H′(0). If that limit does not exist, explain why.
I feel like the limit does exist, and I'm just missing something.
A reply today would be appreciated.
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