Chapter 4: Q. 49 (page 341)
Short Answer
Part (a)
Part (b)

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Chapter 4: Q. 49 (page 341)
Part (a)
Part (b)

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Determine which of the limit of sums in Exercises 47–52 are infinite and which are finite. For each limit of sums that is finite, compute its value
Consider the sequence A(1), A(2), A(3),.....,A(n) write our the sequence up to n. What do you notice?
Describe the intervals on which the function f is positive, negative, increasing and decreasing. Them describe the intervals on which the function A is positive , negative, increasing and decreasing
Without using absolute values, how many definite integrals would we need in order to calculate the absolute area between f(x) = sin x and the x-axis on ?
Will the absolute area be positive or negative, and why? Will the signed area will be positive or negative, and why?
If , and , then find the values of each definite integral in Exercises . If there is not enough information, explain why.
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