Given y= sqrt(x) + 4/sqrt(x) + 4 , find dy/dx when x=8 giving your answer in form Asqrt(2) where A is a rational number.

Read and understand the questionRe-write in easier form to be able to differentiateDifferentiate and sub in value for xSimplifyMake sure we answer the question

Answered by Corey M. Maths tutor

5383 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

Work out the equation of the tangent at x = 3, knowing that f(x) =x^2


Find the equation of the tangent to the curve y = 3x^2 + 4 at x = 2 in the form y = mx + c


Why, how and when do we use partial fractions and polynomial long division?


Why do we get cos(x) when we differentiate sin(x)?


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo
Cookie Preferences