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
(x2 - 1)
B
3x(x2 - 1)
C
3X2 - 1
D
7X6 - 5X4
correct option: c
y = \(\frac{x^7 - x^5}{x^4}\) = \(\frac{x^7 - x^5}{x^4}\)
Y = X3 - X
\(\frac{dy}{dx}\) = 3x3 - 1 - x1 - 1
= 3x2 - xo
\(\frac{dy}{dx}\) = 3x2 - 1
Y = X3 - X
\(\frac{dy}{dx}\) = 3x3 - 1 - x1 - 1
= 3x2 - xo
\(\frac{dy}{dx}\) = 3x2 - 1
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