PDF-Solution2.Themostlogicalthingtotryistosubstituteforthethingintheintegr PDF document
z u11x2du22xdxZeuze11x21 22du z xdx1 22euc1 22e11x2cNotethatinthiscalculationwehadtogroupthefactorofxwiththedxtogetaduIfyouhadforgottentotransformthedi erentialyouwouldhavegotte