Definition: The area A of the region S that lies under the graph of the continuous function f is the limit of the sum of the areas of approximating rectangles A = lim Rn = lim [f(#1)Aa + f(x2)Aæ + ...+ f(xn)A¤]. n00 (a) Use the above definition to determine which of the following expressions represents the area under the graph of f(#) = a from a = 0 to a = 1. A. lim i-1 3 В. lim n00 C. lim n00 D. lim (b) Evaluate the limit that is the correct answer to part (a). You may find the following formula for the sum of cubes helpful: (). n(n + 13 + 23 + 33 + ...+ n 2 The value of the limit is =WI

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Definition: The area A of the region S that lies under the graph of the continuous function f is the
limit of the sum of the areas of approximating rectangles
A = lim Rn = lim [f(x1)Aæ + f(x2)Ax + •….+ f(xn)Ar].
n00
(a) Use the above definition to determine which of the following expressions represents the area
under the graph of f(x) = 2³ from z = 0 to z = 1.
A. lim
n 00
i-1
3
В. lim
n 00
C. lim
()
D. lim
(b) Evaluate the limit that is the correct answer to part (a). You may find the following formula for the
sum of cubes helpful:
2
n(n + 1)
13 + 23 + 33 + ...+n
2
The value of the limit is
||
Transcribed Image Text:Definition: The area A of the region S that lies under the graph of the continuous function f is the limit of the sum of the areas of approximating rectangles A = lim Rn = lim [f(x1)Aæ + f(x2)Ax + •….+ f(xn)Ar]. n00 (a) Use the above definition to determine which of the following expressions represents the area under the graph of f(x) = 2³ from z = 0 to z = 1. A. lim n 00 i-1 3 В. lim n 00 C. lim () D. lim (b) Evaluate the limit that is the correct answer to part (a). You may find the following formula for the sum of cubes helpful: 2 n(n + 1) 13 + 23 + 33 + ...+n 2 The value of the limit is ||
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