Question: (a) Using summation notation, write the left-hand Riemann sum with n subdivisions for 1∫2 t2dt.
(b) Use a computer algebra system to find a formula for the Riemann sum.
(c) Evaluate the limit of the sum as n approaches infinity.
(d) What is the area under the graph of y = t2 between t = 1 and t = 2?