3. Figure 5.13 shows the velocity of an object for 0

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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I got 72 for this question by 3*(10+8+6). Isn't this the LRAM and the n is b-a/n which is 3. The answer is 54 and I don't get it.

 

3. Figure 5.13 shows the velocity of an object for 0 < t <
6. Calculate the following estimates of the distance the
object travels between t = 0 and t = 6, and indicate
whether each result is an upper or lower estimate of the
distance traveled.
(a) A left sum with n = 2 subdivisions
(b) A right sum with n = 2 subdivisions
m/sec
10
8
6
4
2
0
v(t)
1 2 3 4 5
Figure 5.13
6
t (sec)
Transcribed Image Text:3. Figure 5.13 shows the velocity of an object for 0 < t < 6. Calculate the following estimates of the distance the object travels between t = 0 and t = 6, and indicate whether each result is an upper or lower estimate of the distance traveled. (a) A left sum with n = 2 subdivisions (b) A right sum with n = 2 subdivisions m/sec 10 8 6 4 2 0 v(t) 1 2 3 4 5 Figure 5.13 6 t (sec)
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