数学分析第九章《定积分》试卷答案出卷人:张安张红磊彭江东夏孟段义友总分:100分一选择题(每题5分总分10分)1).C2).A二判断题(每题5分总分15分)1)2)3)三填空题(每题5分总分15分)1)42)35ln213).12ln2四计算解答题(每题10分总分60分)1).证明:dxxfadxxfadxxfaa)(0)(0)(,令dtdxtx,,0,0,atax,dxxfadttfadttfadttfadxxfa)(0)(0)(0)(0)(0dxxfadxxfaa)(0)(有dxxfa)(0=dxxfxfa)()(0为奇为偶,)()()()(xfxfxfxf为奇函数时)当(f1:dxxfaa)(=0,dxxfadxxfaaf)(02)(2为偶函数时:)当(。2)解:3)解:4)证明:5)解:6),解: