[tex=8.286x2.643]oAevhTBpnu5LtUdBlC336Mig0st+NHkcuWdq+UNGKGOZExXAmU67UIpCiVFJ4/qG[/tex]
[tex=8.286x2.643]oAevhTBpnu5LtUdBlC336Mig0st+NHkcuWdq+UNGKGOZExXAmU67UIpCiVFJ4/qG[/tex]
求下列不定积分:[tex=8.286x2.643]GnFo6efWhMsofaMpyOLzsOjZFJZzJ0PYeTEMFbLmUoeVlz93FdeDFbzG0iskhYxZX8Pv95vvm3HwBUOqD0977g==[/tex].
求下列不定积分:[tex=8.286x2.643]GnFo6efWhMsofaMpyOLzsOjZFJZzJ0PYeTEMFbLmUoeVlz93FdeDFbzG0iskhYxZX8Pv95vvm3HwBUOqD0977g==[/tex].
用分部积分法计算下列积分[tex=8.286x2.643]4og4meN8Yxp7xv7VFGLeJaOpnvTyncniQ0idHq24j9I3TOZL+ripnPLRKQXIk8BX[/tex]
用分部积分法计算下列积分[tex=8.286x2.643]4og4meN8Yxp7xv7VFGLeJaOpnvTyncniQ0idHq24j9I3TOZL+ripnPLRKQXIk8BX[/tex]
用坍落筒法测定细集料的毛体积相对密度,已知试验数据为:①饱和面干试样m3=300g;②试样、水、容量瓶总质量m2=867.1g;③水、容量瓶总质量m1=680.6g;④试样烘干质量m0=286.4g,已知试验水温为23℃,对应水的密度为0.99756g ∕ cm3,则该细集料的表观相对密度为( ),毛体积密度为( )。 A: 2.867、2.643 B: 2.867、2.637g∕ cm3 C: 2.860g∕ cm3、2.643 D: 2.643、2.860
用坍落筒法测定细集料的毛体积相对密度,已知试验数据为:①饱和面干试样m3=300g;②试样、水、容量瓶总质量m2=867.1g;③水、容量瓶总质量m1=680.6g;④试样烘干质量m0=286.4g,已知试验水温为23℃,对应水的密度为0.99756g ∕ cm3,则该细集料的表观相对密度为( ),毛体积密度为( )。 A: 2.867、2.643 B: 2.867、2.637g∕ cm3 C: 2.860g∕ cm3、2.643 D: 2.643、2.860
求下列拉普拉斯变化式的[tex=0.5x0.786]QjholeuuB2uvquRe6w/kgQ==[/tex]变换[tex=2.071x1.357]29VC7/QzZwPFwxPgEQACEg==[/tex][tex=8.286x2.643]n/PFd8m+pVqBUeX89pAWXl4vC6mE56v2S8wmMwgJHvM=[/tex]
求下列拉普拉斯变化式的[tex=0.5x0.786]QjholeuuB2uvquRe6w/kgQ==[/tex]变换[tex=2.071x1.357]29VC7/QzZwPFwxPgEQACEg==[/tex][tex=8.286x2.643]n/PFd8m+pVqBUeX89pAWXl4vC6mE56v2S8wmMwgJHvM=[/tex]
求下列拉普拉斯变化式的[tex=0.5x0.786]QjholeuuB2uvquRe6w/kgQ==[/tex]变换[tex=2.071x1.357]29VC7/QzZwPFwxPgEQACEg==[/tex][tex=8.286x2.643]3Rjxt2UridKD7VoIXM90SJSy4wNTL/FbWsgq0yEVKdpePhaRXUeR9XgQp+GS0YvA[/tex]
求下列拉普拉斯变化式的[tex=0.5x0.786]QjholeuuB2uvquRe6w/kgQ==[/tex]变换[tex=2.071x1.357]29VC7/QzZwPFwxPgEQACEg==[/tex][tex=8.286x2.643]3Rjxt2UridKD7VoIXM90SJSy4wNTL/FbWsgq0yEVKdpePhaRXUeR9XgQp+GS0YvA[/tex]
下列等式中正确的是 未知类型:{'options': ['[tex=7.571x2.143]Hk0fQ5CUnNVG6Yo0wX5NfGQXPt3bBz6nOICy7ASaLuVa0xZUiXfVdipKDkpGTanS[/tex]', '[tex=6.214x2.643]vxbrP00rh3ksxnMw9UfzPxdFH2iqR1pETAIUrPo+jOY=[/tex]', '[tex=8.286x2.643]HVHl5XSXwZhPdkNAa1TDRaDNbl0Md4TW0YzTTBOzPBsZ7zHNLd3hfAW/PcWuHNiYvYnyyGUqt35vOtenqx4ncA==[/tex]', '[tex=7.5x2.643]fuWO20HE+ZGw5JXJWyPl4PtHf8fGdPPmeqDVbCN+/iW5+5B/iFRCaHrkGKnjVLGm[/tex]'], 'type': 102}
下列等式中正确的是 未知类型:{'options': ['[tex=7.571x2.143]Hk0fQ5CUnNVG6Yo0wX5NfGQXPt3bBz6nOICy7ASaLuVa0xZUiXfVdipKDkpGTanS[/tex]', '[tex=6.214x2.643]vxbrP00rh3ksxnMw9UfzPxdFH2iqR1pETAIUrPo+jOY=[/tex]', '[tex=8.286x2.643]HVHl5XSXwZhPdkNAa1TDRaDNbl0Md4TW0YzTTBOzPBsZ7zHNLd3hfAW/PcWuHNiYvYnyyGUqt35vOtenqx4ncA==[/tex]', '[tex=7.5x2.643]fuWO20HE+ZGw5JXJWyPl4PtHf8fGdPPmeqDVbCN+/iW5+5B/iFRCaHrkGKnjVLGm[/tex]'], 'type': 102}
设函数 [tex=5.857x1.357]WlmtYTV+Ev+zF5fIoL2rkteJnr6ZE4KRpvAEIQ3TMBA=[/tex], 且 [tex=8.214x2.643]c2cdEupeM0lqf8KNvHguE6vZ3+DnNqPtsKwntobmaMpvelD6LsZkV6r9f/am8yv6[/tex], [tex=8.286x2.643]c2cdEupeM0lqf8KNvHguE1lza7aAPxDVs/Lv6TL32FMoUURd+Vjmmmo6V32koSlg[/tex]. 求证在 [tex=2.357x1.357]iw5YbF+ncjpVrHuDNN5GTQ==[/tex] 内 [tex=1.857x1.357]BGkv0wKMIn2R4tUsMDFEFA==[/tex] 至少有两个零点.
设函数 [tex=5.857x1.357]WlmtYTV+Ev+zF5fIoL2rkteJnr6ZE4KRpvAEIQ3TMBA=[/tex], 且 [tex=8.214x2.643]c2cdEupeM0lqf8KNvHguE6vZ3+DnNqPtsKwntobmaMpvelD6LsZkV6r9f/am8yv6[/tex], [tex=8.286x2.643]c2cdEupeM0lqf8KNvHguE1lza7aAPxDVs/Lv6TL32FMoUURd+Vjmmmo6V32koSlg[/tex]. 求证在 [tex=2.357x1.357]iw5YbF+ncjpVrHuDNN5GTQ==[/tex] 内 [tex=1.857x1.357]BGkv0wKMIn2R4tUsMDFEFA==[/tex] 至少有两个零点.
在下列等式中,正确的结果是 未知类型:{'options': ['[tex=7.143x2.643]Hk0fQ5CUnNVG6Yo0wX5NfBo+6jTRu3KtQXFddlKCeKP4Yu/0kv26moku34/PScuH[/tex]', '[tex=6.214x2.643]67BocrbstrOauDwWpIg63ymNc6w615+uV5/JEAvcd+Y=[/tex]', '[tex=8.286x2.643]Nf9uOnz1uCvkfUnyMeSOJAryBTqHfRUWbzQXYco+0IWm+wn9ojHHH0X5gMep/d+HDfh5pK694jQcsK2f5MxFkg==[/tex]', '[tex=7.5x2.643]iup4Jr0qIbqML51F3a45bvBuKWf+Ox3vplJoEhe62epInz2ax1bnTyOax9nKVvS8[/tex]'], 'type': 102}
在下列等式中,正确的结果是 未知类型:{'options': ['[tex=7.143x2.643]Hk0fQ5CUnNVG6Yo0wX5NfBo+6jTRu3KtQXFddlKCeKP4Yu/0kv26moku34/PScuH[/tex]', '[tex=6.214x2.643]67BocrbstrOauDwWpIg63ymNc6w615+uV5/JEAvcd+Y=[/tex]', '[tex=8.286x2.643]Nf9uOnz1uCvkfUnyMeSOJAryBTqHfRUWbzQXYco+0IWm+wn9ojHHH0X5gMep/d+HDfh5pK694jQcsK2f5MxFkg==[/tex]', '[tex=7.5x2.643]iup4Jr0qIbqML51F3a45bvBuKWf+Ox3vplJoEhe62epInz2ax1bnTyOax9nKVvS8[/tex]'], 'type': 102}
设L为曲线[tex=3.929x4.071]fnpmC2J6JmQBLyo5NmGAz5DZa5VbLkvqO1PJLWNSEP3v5u4lwSiw5PqUbvIWohCFHbLyq3qjBHZMdDAXRPzYFMKwgNsdDQQD+YDTI9QMKGs=[/tex]上相应于t从0到1的曲线段,试把对坐标的曲线积分[tex=8.286x2.643]+FxZUhb/9idiEFj3Fr/OyvWuuZqtkruSC7qq9zpgexk=[/tex]化成对弧长的曲线积分
设L为曲线[tex=3.929x4.071]fnpmC2J6JmQBLyo5NmGAz5DZa5VbLkvqO1PJLWNSEP3v5u4lwSiw5PqUbvIWohCFHbLyq3qjBHZMdDAXRPzYFMKwgNsdDQQD+YDTI9QMKGs=[/tex]上相应于t从0到1的曲线段,试把对坐标的曲线积分[tex=8.286x2.643]+FxZUhb/9idiEFj3Fr/OyvWuuZqtkruSC7qq9zpgexk=[/tex]化成对弧长的曲线积分