Find the derivative of \(y=\frac{x^7 – x^5}{x^4}\)
- x(x2-1)
- 3x(x2-1)
-
3x2-1
- 7x6-5x4
The correct answer is: C
Explanation
\(y=\frac{x^7 - x^5}{x^4}\\
y = \frac{x^7}{x^4} \div \frac{x^5}{x^4}\\
y = x^3 - x \\
\frac{dy}{dx} = 3x^2 - 1\)
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