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Syllabus 2009

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∫af( x) dx ≈ S + S + ... + S1 2n1= h f0 + f1 + f2 + + fn−1+ f2( 2 2 ... 2 )nmetb−ah =n3.2.3. Opdracht 1Bereken volgende integralen met de methode van de trapeziumregel. Bereken deintegralen ook met behulp van je TI-84 en vergelijk de resultaten.Opgave 1π5+cos4x ∫ 2 dx(n = 6 ; n = 12)x + x+1−2πOplossing m.b.v. de TI-84:Oplossing (n = 6):b−aπ −( −2 π)πh = = =n 6 2π∫−2π5+ cos4x 1 π ⎛ ⎛ ⎛ 3π ⎞ ⎛ π ⎞ ⎛π⎞⎞. 2 2 02 dx ≈ ⎟ f − + f f f f f fx x 1 2 2⎟ ⎟− + − + ⎟− + + ⎟ +2 2 2+ + ⎠ ⎠ ⎠ ⎠ ⎠ = 18, 448248( π) ( π) ( ) ( π)⎞Procentuele fout ongeveer 3,4 %Probleem oplossend integreren met de TI-84 Plus61Philip Bogaert

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