2 - x
2/x
The derivative of a constant times a function is the constant times the derivative of the function.
Apply the power rule: 1x\frac{1}{x}x1 goes to −1x2- \frac{1}{x^{2}}−x21
So, the result is: −2x2- \frac{2}{x^{2}}−x22
The answer is:
-2 --- 2 x
4 -- 3 x
-12 ---- 4 x