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Newton cotes formulae proofs 
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#1
Mar2414, 04:04 PM

P: 1

I am looking for two proofs they both are based on newton cotes formulae which is is in the equi spaced points xi=a+ih with h=(b−a)/n and i=0,…,n.
First proof is for ωj=ωn−j The second one is ∑jωj=(b−a) ω is the weight Does anyone have a link where its explained or can someone properly show how to prove them ? 


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