Unless specified, all approximating rectangles are assumed to have the same width. Evaluate the upper and lower sums for $(). 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.) f(x) = 1 + cos -π < x < π,

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
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.)
f(x) = 1 + cos
a
-π SX ≤ π,
b
Transcribed Image Text:Unless specified, all approximating rectangles are assumed to have the same width. Evaluate the upper and lower sums for 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.) f(x) = 1 + cos a -π SX ≤ π, b
n = 4:
upper sum
lower sum
10.08
10.08
XX
Transcribed Image Text:n = 4: upper sum lower sum 10.08 10.08 XX
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