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
CM
Related Maths A Level answers
All answers ▸Solve inequality: sqrt(x^2) + x < 1
ln(2x^2 + 9x – 5) = 1 + ln(x^2 + 2x – 15). Express x in terms of e
How do I find the distance between two point in the plane?
The gradient of a curve is given by dy/dx = 3 - x^2. The curve passes through the point (6,1). Find the equation of the curve.