A few days ago
x katty x

differentation- Leibniz notation…higher maths. please help!?

could you possibly show the working for this. would be great. here goes….

y=xsquared – 1 / x cubed.

how do you get rid of the fraction. after that i know what to do.

thanks for the help

x

Top 1 Answers
A few days ago
TurtleFromQuebec

Favorite Answer

dy/dx = d/dx(x^2 – (1/x^3)) = d/dx(x^2 + x^(-3)), from there apply the sum rule, then the standard formula for differentiating x^n. That formula works for negative and fractional n as well as positive n!!
0