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mathematical-analysis-if-f-is-Reimann-integrable-function-on-a-b-then-prove-lim-t-a-b-f-x-cos-tx-dx-0-Reimann-Lebesgue-theore




Question Number 128570 by mnjuly1970 last updated on 08/Jan/21
               ... mathematical  analysis...    if ′′  f   ′′  is Reimann integrable     function  on [a , b ] , then prove::           lim_(t→∞ ) {∫_a ^( b) f(x)cos(tx)dx }=0    ..Reimann−Lebesgue  theorem...
mathematicalanalysisiffisReimannintegrablefunctionon[a,b],thenprove::limt{abf(x)cos(tx)dx}=0..ReimannLebesguetheorem

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