Differentiate: y = 4x^3 - 5/x^2

To make this equation easier to differentiate it would be easier to write it using index rules as y = 4x^3 - 5x^-2 From here we can begin to differentiate: dy/dx = 3*4x^(3-1) - (-2)*5x^(-2-1) Then finally simplify the equation above to give: dy/dx = 12x^2 +10x^-3

CB

Related Maths A Level answers

All answers ▸

How to integrate by parts


Find the solutions to x^3+4x^2+x-5=1


How can I calculate the standard deviation of a data set?


How do you integrate 3x^2 - 6x + 5 (wrt x)?