Posted by **CMM** on Tuesday, September 28, 2010 at 3:08pm.

Find f'(a).

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

So,

[[(a + h)^2 + 1]/[(a + h) - 2]] - [(a^2 + 1)/a - 2] and the whole thing divided by h

I tried simplifying it and ended up with [a + h/-2] - (a-2), which is incorrect. I used wolfram alpha and got (a^2 - 4a - 1)/(a - 2)^2 but I do not know how to get this. Please help.

## Answer This Question

## Related Questions

- Calc - Find f'(a). f(x)= (x^2 + 1)/(x - 2) So, [[(a + h)^2 + 1]/[(a + h) - 2...
- Pre-Calculus - Not sure what to solve... I tried to solve it but i ended up ...
- Derivative - I need to find the derivative of (x) / (x^2 +1) I got x^2 + 1(1) - ...
- Estimation decimal quotient - Use compatible numbers to find the each quotient...
- Calculus - find the derivative of f, when f(x)=1/sqrt(x) ok so i tried ...
- science-physics - You walk 15 m south and 35 m east. Find the magnitude and ...
- Algebra - Given the function f(x)=3x^3+2, find the value of x so that f^-1(x)=4...
- Calculus - Hi. In an integration solution, the integral of (1/(sqrt (8-u squared...
- math - Please can you help me with the following two questions? A. By making use...
- Maths - Cartesian Equations - Find the corresponding Cartesian equation for each...

More Related Questions