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Differentiate with respect to x: d/dx (5 - 5/x).
- 5/x²
- -5/x²
- 5/x
- -5/x
Correct answer: 5/x²
Solution
The constant 5 differentiates to 0, and d/dx(-5x^(-1)) = 5x^(-2) = 5/x².
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