Use the concept of the definite integral to find the total area between the graph of f(x) and the x-axis, by taking the limit of the associated right Rienann sum. Writet exact answer. Do not round. (Hint: Extra care is needed on those intervals where f(x) < 0. Remember that the definite integral represents a signed area.) f(x) = 5x+ 2 on [0, 2]
Use the concept of the definite integral to find the total area between the graph of f(x) and the x-axis, by taking the limit of the associated right Rienann sum. Writet exact answer. Do not round. (Hint: Extra care is needed on those intervals where f(x) < 0. Remember that the definite integral represents a signed area.) f(x) = 5x+ 2 on [0, 2]
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Step 1
Let be continuous and non-negative function defined on the closed interval . Then the definite integral of the function over the interval , denoted by , is the limit of a Riemann sum as the norm of the partition approaches zero or number of subdivisions approaches infinity.
i.e. , where
Step 2
The area under the graph over the interval is given by the shaded region in the figure
Here,
Then
Thus
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