## Thomas' Calculus 13th Edition

$\int_0^2 x^2 dx$
Intepreting limits of sum as Integrals $\lim\limits_{||p|| \to 0} \Sigma_{k=1}^n ck^2 Δx_k$ -where p is a partition of[0,2] $\int_0^2 x^2 dx$