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Derivative help? x^2 - 4/x?
Forgot to add details...
So I do x^2 - 4/x and the answer is 2x + 4x^-2... I think...
Can someone tell me what 4/x equals as in a power? I thought it was x^-4
1 Answer
- 7 years ago
The derivative of (4/x) is equal to 4 * 1/x, or 4*x^-1. For the derivative, if you use the power rule, you move the -1 out front and subtract the power by one, getting -4 * x^-2, or -4/(x^2).
CHECK YOUR ANSWER BELOW :
The entire derivative to what you posted would be 2x+(4/(x^2)).
Source(s): Math major
