Given that y=(4x^2)lnx, find f"(x) when x=e^2
Product rule: first order derivative = 8xlnx+4x Second order derivative = 8lnx+12 Sub in e^2 , 16lne + 12 = 24
JH
Related Maths A Level answers
All answers ▸Q4 on 2017 Edexcel C4 paper, concerns differentiation of multiple variables.
Find the minimum and maximum points of the graph y = x^3 - 4x^2 + 4x +3 in the range 0<=x <= 5.
The line AB has equation 5x + 3y + 3 = 0. The line AB is parallel to the line with the equation y = mx + c. Find the value of m.
How do you differentiate y=ln(x)