y = x^2 − 2*x − 24*sqrt(x) - i) find dy/dx ii) find d^2y/dx^2
Solved by differentiation with respect to x,i) dy/dx = 2x - 2 - 12x^(-1/2)ii) d^2y/dx^2 = 2 + 6*x^(-3/2)
DG
Related Maths A Level answers
All answers ▸Solve the equation 3^(5x-2)=4^(6-x), and show that the solution can be written in the form log10(a)/log10(b).
Evaluate f'(1) for the function f(x) = (x^2 + 2)^5
Use the substitution u = 6 - x^2 to find the value of the integral of (x^3)/(sqrt(6-x^2)) between the limits of x = 1 and x = 2 (AQA core 3 maths
What is the "chain rule"?