Find the derivative of y frac x 7 - x 5 x 4 - JAMB Mathematics 2008 Question
Find the derivative of \(y=\frac{x^7 - x^5}{x^4}\)
A
x(x2-1)
B
3x(x2-1)
C
3x2-1
D
7x6-5x4
correct option: c
(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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