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February 13, 2016
Posted by **bob** on Wednesday, November 30, 2011 at 5:42pm.

the integral from 1 to 3 ___ dt= __

- Calculus -
**Reiny**, Wednesday, November 30, 2011 at 7:46pmF(t) = ln t^2

= 2 lnt

f(t) = 2/t

so if you want ∫f(t) dt from 1 to 3

= ln t^2 from 1 to 3

= ln9 - ln1

= ln9 - 0

= ln 9