Question

Approximate the arc length of the curve y=(1/4)x^4 over the interval [1,2] using the Trapezoidal Rule T8.

I was never taught how to use the Trapezoidal Rule, so I was surprised to find this problem in my most recent Calculus assignment. How would you solve a problem like this?

Thanks in advance to anyone who's willing to help out.
there are several good online trapezoidal rule calculators. ever heard of google?
This is a WebWork problem for my Calculus 2 class and all the answers I got from online calculators weren't considered correct, which is why I'm asking for some help on here.

Related Questions

Use the trapezoidal rule and simpson's rule to approximate the value of the definite integral ∫2,1... Internal 1/sqrt(1+x^3) from [0,2] and n=10 (a) Use the Trapezoidal Rule to approximate the given in... Evaluate ∫1,0 1/(1+x^2) dx exactly and show that the result is pi/4. Then, find the approximate valu...