01.考研数学预备知识0基础知识点07小测验【公众号：小盆学长】免费分享.pdfVIP免费

—1—0基础知识07课后小测验1.说明下列各对积分哪一个的值比较大。（1）A.120xdxB.130xdx；（2）A.221xdxB.231xdx；（3）A.21lnxdxB.221(ln)xdx；（4）A.10xdxB.10ln(1)xdx.2.设函数20()ln(2)xfxtdt，则()fx的零点个数为（）（A）0（B）1C.2（D）33.求极限2220limxtxxtedtxe4.322(sin)xxdx_______.A.0B.32C.12D.325.411d1xxA.322ln2B.222ln3C.322ln2D.32ln26.2224daaxaxx（0a）A.234aB.234aC.238aD.238a7.10dxxexA.121eB.121eC.21eD.21e8.10arctandxxxA.182B.142C.142D.182