Asked by Anonymous

Find the volume of the solid generated by revolving about the x-axis the region under the curve
y
=
1
x
from
x
=
3
to
x
=

. If the answer does not exist, enter DNE. Otherwise, round to four decimal places.

Answers

Answered by oobleck
why, WHY do you format your text vertically? I'm guessing that you want the area under the curve
y = 1/x for x > 3
That would, of course, be
∫[3,∞] 1/x dx = lnx [3,∞] = ∞ - ln3 = ∞

If I got it wrong, make the fixes and show some of <u>your</u> work.
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