## zainil456 4 years ago use the definition of derivative to find the derivative of f(x)=1/x+3

x^-1+3=(-1)x^-2=-1/x^2

2. zainil456

what is the formula for the definition of derivatives?

3. nikvist

$f'(x)=\lim_{h\rightarrow0}\frac{f(x+h)-f(x)}{h}$