14· +.㠢1 points SCalcET8 5.1.026 (a) Use the definition to find an expression for the area under the curve y = x3 from 0 to 1 as a limit. lirin (b) The following formula for the sum of the cubes of the first n integers is proved in Appendix E. Use it to evaluate the limit in part (a). .00 +».|no 12 1, + 23 + 33 + Talk to a Tutor