Unless specified, all approximating rectangles are assumed to have the same width. Evaluate the upper and lower sums for n = 3: upper sum lower sum Illustrate f(x) = 1 + cos with n = 3, 4, and 6. Illustrate each case with a sketch similar to the figure shown below. (Round your answers to two decimal places.) ¹³ (7), -9.91 -9.91 a -π ≤ x ≤ π, X x b i

Advanced Engineering Mathematics
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Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Unless specified, all approximating rectangles are assumed to have the same width.
Evaluate the upper and lower sums for
n = 3:
upper sum
lower sum
f(x) = 1 + cos
with n = 3, 4, and 6. Illustrate each case with a sketch similar to the figure shown below. (Round your answers to two decimal
places.)
Illustrate
-9.91
-9.91
a
-π ≤ x ≤ π,
X
X
b
i
Transcribed Image Text:Unless specified, all approximating rectangles are assumed to have the same width. Evaluate the upper and lower sums for n = 3: upper sum lower sum f(x) = 1 + cos with n = 3, 4, and 6. Illustrate each case with a sketch similar to the figure shown below. (Round your answers to two decimal places.) Illustrate -9.91 -9.91 a -π ≤ x ≤ π, X X b i
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