You should create a partition of the interval [0,1] in n subintervals that have the following lengths such that:
`Delta x_i = (1-0)/n = 1/n`
`x_i = i*(1/n)`
You need to use limit definitionto evaluate the definite integral such that:
`int_0^1 x^3 dx = lim_(n->oo) sum_(i=1)^n...
(The entire section contains 153 words.)