Posted by **Abigail** on Sunday, February 27, 2011 at 7:14pm.

Let f(x)= (1/x). Use the limit definition of derivative to find f'(x).

My professor's answer is: -1/x

but I keep getting: -1/x^2

what do I have to do to get that answer?

## Answer this Question

## Related Questions

- Calculus - Let f(x)= (1/x). Use the limit definition of derivative to find f'(x...
- Calculus - How do I solve for lim h->0 (((a+h)^2 + 1)/(3(a+h)+7) - ((a^2 + 1...
- Derivative Calculus - I just need my answers checked. 1) Find the derivative. f(...
- Calculus - Please help!! I keep solving this problem but I keep getting the ...
- limits - what is the derivative of e^(3*ln(x^2)) i keep getting 6/x * e^(3*ln(x^...
- applied calculus - 3. a) Write out the limit definition for the derivative of y...
- calculus - find the limit of f'(x) = 1/(√x) using the limit definition of ...
- calculus - find the limit of f'(x) = 1/(√x) using the limit definition of ...
- calculus - i need to use implicit differentiation to find the derivative: yx+y...
- Calculus - g(x)=[(4x-7)(x+11)] Find g'(x) I thought that you use the product ...