Question

Find an expression for the area under the graph of f(x) = x^2 + x from x=2 to x=5 as a limit
of a Riemann sum.

Answer 1

i got \[\lim_{n \rightarrow \infty} \frac{ 3 }{ n }\sum_{i=1}^{n} x ^{2} +x\]

Answer 2

ya