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Let x In I dx. a) Find the exact value of 1 b) Use composite trapezoidal rule with n = 4 subintervals to approximatel. Calcul
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2 I - relnr dre L fost finding exact value of I we use use inicgreetion by parts on fa n.enn da. det u = en e and vi =dv us2. 2 با ہوا۔ (Ince ] 2 2) n (2) 2 + e-usen() - ( (| 13862 - | - | ( (. O.1362 exact value of I is 362 لون ا© 2 ſ S a envedre Trapezoidal rule with n=4 Now using trapezoidal rule to estimate Ive Inn die using 4 intervals S The endpoT4 11 2 O + 05578 + 1: 2163 + 19586+.1. 3862 g [ ТА - 0.639900 Now eu107 Ersor Testinnutel vake Tcalculated value Teakulated2 (C) T S x.lna da Now using simpsons rule to estimate S² re enn de using 4 intervals. The Simpsons rule states that Дх S. *()) } f(1) = TL Sirr 4f (11.) = .4f€): son af (12) = 21 2x3 In (2) - 1.2.639 2 (au)th hf (1) 7 In (30) = 3.9173 (x)) F (2)d ) S. alreada have ste, b: 2, ng An 2-1 6 iuto n=6 divide the Intervals [1, 2] Subintervals of length in following end pointfinally : Just sumup the above values and multiply by ДИ 3 16 gir brinda [ot 0+ 0.7193 + 0.76 7.1 +2:4327 + 18 1.7027 + 2.694

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