Differentiate, y = 2x^3 + 2/x + 3

Differentiate by multiply by the power and then minus 1 from the power. Use the rule: y= ax^b -> dy/dx = abx^(b-1)

dy/dx = 3 x 2x^(3-1) + -1 x 2x^(-1-1) + 0 dy/dx = 6x^2 - 2x^-2

CH
Answered by Claudia H. Maths tutor

4332 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

Show how you can rewrite (x+1)(x-2)(x+3) into the form of ax^3 + bx^2 + cx + d


Why do we need to differentiate?


Show by induction that sum_n(r*3^(r-1))=1/4+(3^n/4)*(2n-1) for n>0


Find the maximum point of the curve from its given equation: [...]


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning