The area A of the region S that lies under the graph of the continuous function is the limit of the sum of the areas of approximating rectangles. A = lim R, = lim [f(x,)Ax + f(x,)Ax + . . . + f(x,)Ax] n- c0 'n n- 00 Use this definition with right endpoints to find an expression for the area under the graph of f as a limit. Do not evaluate the limit. f(x) = 3x cos(3x), 0 S xs A = lim n- 00. i = 1

Advanced Engineering Mathematics
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Chapter2: Second-order Linear Odes
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The area A of the region S that lies under the graph of the continuous function is the limit of the sum of the areas of
approximating rectangles.
A = lim R, = lim [f(x,)Ax + f(x,)Ax + . + f(x,)Ax]
...
n- c0
n- 00
Use this definition with right endpoints to find an expression for the area under the graph of fas a limit. Do not evaluate the
limit.
f(x) = 3x cos(3x), 0 sxs
2
A = lim
n- 00
i = 1
Transcribed Image Text:The area A of the region S that lies under the graph of the continuous function is the limit of the sum of the areas of approximating rectangles. A = lim R, = lim [f(x,)Ax + f(x,)Ax + . + f(x,)Ax] ... n- c0 n- 00 Use this definition with right endpoints to find an expression for the area under the graph of fas a limit. Do not evaluate the limit. f(x) = 3x cos(3x), 0 sxs 2 A = lim n- 00 i = 1
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