Question

if y=x³+8x²-7x+9, find d³y/dx³
with Explaination​

Answer 1

dy /dx

$3 {x}^{2} + 16x - 7$

$\frac{ {d}^{2} }{d {x}^{2} } (3 {x}^{2} + 16x - 7) \\ 6x + 16$

$\frac{ {d}^{3} }{d {x}^{3} } (6x + 16) \\ 6$