Question

Calcule a derivada quarta de f (x) =8.x^4 + 5.x^3 - x^2 + 7

Answer 1

$f (x) =8x^4 + 5x^3 - x^2 + 7\\ \\ f'(x)=32x^3+15x^2-2x\\ \\ f''(x)=96x^2+30x-2\\ \\ f'''(x)=192x+30\\ \\ f''''(x)=192$