This question will have you evaluate β« 0
6
β
8β2xdx using the definition of the integral as a limit of Riemann sums. i. Divide the interval [0,6] into n subintervals of equal length Ξx, and find the following values: A. Ξx= B. x 0
β
= C. x 1
β
= D. x 2
β
= E. x 3
β
= F. x i
β
= ii. A. What is f(x) ? Evaluate f(x i
β
) for arbitrary i. B. Rewrite lim nβ[infinity]
β
β i=1
n
β
f(x i
β
)Ξx using the information above. C. Evaluate first the sum, then the limit from the previous part. You may find the following summation formulas useful: β i=1
n
β
c=cβ
n,β i=1
n
β
i= 2
n(n+1)
β
,β i=1
n
β
i 2
= 6
n(n+1)(2n+1)
β
,β i=1
n
β
i 3
=[ 2
n(n+1)
β
] 2
.