I don't know how to do this but I'd like to learn how:
A question is "Given that 2x² - 5x + 3, find dy/dx from first principles."
Can anyone please help me
Hmmmm....
dy/dx = 4x - 5 ?
To learn how to differentiate polynomials.
http://en.wikipedia.org/wiki/Calculus_with_polynomials