Question

Need Help ASAP!!!
Please Kindly Help me out :)

Answer 1

Answer:

$y = 5 {x}^{3} + \frac{3}{ {x}^{2} } - 7x$

(a)

$\frac{dy}{dx} = 15 {x}^{2} - \frac{6}{ {x}^{3} } - 7$

(b)

$\frac{ {d}^{2} y}{d {x}^{2} } = 30x + \frac{18}{ {x}^{4} }$