1. The problem statement, all variables and given/known data Determine and evaluate a definite integral for which (1/40( (0)^3 + 2(.05)^3 +2(.1)^3 +.... 2(1.95)^3 + (2)^3 )) is a trapezoidal approximation. Which is greater, the integral or trapezoidal approximation why 2. Relevant equations 3. The attempt at a solution So i figure that the the original equation is x^3 and the limits are 0 to 2 so i got this integral 2 ∫ X^3 = 4.0025 using trapezoidal rule with n=20 on my Riemann sum program. I said that this is 0 greater than the actual integral because the graph is increasing and concave up. I check with my teacher and it was wrong. So where did i go wrong. Thank you.