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Approximating ln using integrals. 
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#1
Jan2608, 04:31 PM

P: 2

I am not sure how would I work this problem.
Any help would be appreciated. Estimate ln 1. 5 = Integral from 1 to 1.5 dt/t using the approximation 1 2 [Lf (P) + Uf (P)] with P = {1 =8/8, 9/8, 10/8, 11/8, 12/8=1.5} 


#2
Jan2608, 05:28 PM

P: 1,633

what are Lf(P), Uf(P), are they just two diffrent functions, or?
if they are functions do they hve any other property given? 


#3
Jan2708, 04:26 AM

HW Helper
P: 3,348

They mean Riemann sums with Lower/Upper function values. In this case, it correspondes to Left hand/Right hand sums.
I dont understand zingorias 3rd last and last line very well, what exactly have you tried so far? PS This should have been posted in a homework forum. 


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