Asked by Alice

The Riemann sum s for f(x)=4x^2, 0<=x<=1, taking the sample points to be the right endpoints is given by s=4n^2+6n+2/3n^2. True or False?
Answered by Steve
there are many handy Riemann um calculators online, such as

http://www.emathhelp.net/calculators/calculus-2/riemann-sum-calculator/