Question

encontrar la derivada de: (x2-2)(4x3+5X)

Answer 1

La solución es la siguiente
$= d( ({x}^{2} - 2)(4 {x}^{3} + 5x)) \\ = (2x)(4 {x}^{3} + 5x) + (12 {x}^{2} + 5)( {x}^{2} - 2) \\ = 8 {x}^{4} + 10 {x}^{2} + 12 {x}^{4} - 24 {x}^{2} + 5 {x}^{2} - 10 \\ = 20 {x}^{4} - 9 {x}^{2} - 10$