Find the derivative of y frac x 7 - x 5 x 4 - JAMB Mathematics 2008 Question

y = (\frac{x^7 - x^5}{x^4}) = (\frac{x^7 - x^5}{x^4})

Y = X³ - X

(\frac{dy}{dx}) = 3x^{3 - 1} - x^{1 - 1}

= 3x² - x^o

(\frac{dy}{dx}) = 3x² - 1