evaluate

Asked by  | 9th Mar, 2009, 05:24: PM

Expert Answer:

x-2dx = x(-2+1) / (-2+1) = -1/x

applying the limits a to b, we get

-1/b - (-1/a) = 1/a  - 1/b

Answered by  | 12th Mar, 2009, 04:40: PM

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