What is the arc length of f(x)= xsqrt(x^3-x+2) f(x)=x√x3−x+2 on x in [1,2] x∈[1,2]?
1 Answer
Jul 12, 2018
Explanation:
We are using the formual
by the product and the chain rule we get
this is
simplifying we get
and we have to integrate
By a numerical method we get