[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fZcGQFh8priDZj4h1Cc6jHmk8lHFh0gpFxoUyhKPxsNA":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":21,"type":22},[],"2026-05-09 23:54:52",364422844,[8,9,10,11],"-π\u002F2","π\u002F2","0","π",{"courseId":13,"courseImg":14,"courseName":15},"9563a4ef30bbb6d6d883d3c683a47f62","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F13704a62069169bdc60dd2f922bf2526.jpg","工程数学","设z_1=1-2i,z_2=-6+2i,,则z_1+z_2 的幅角为",[18,23,32,40,49,55,64,73,82,91],{"answer":19,"createTime":5,"id":6,"options":20,"question":16,"source":21,"type":22},[],[8,9,10,11],"v1",0,{"answer":24,"createTime":5,"id":25,"options":26,"question":31,"source":21,"type":22},[],364422845,[27,28,29,30],"可以微分任意次","必发散","可能收敛,可能发散","非绝对收敛","幂级数在收敛圆里",{"answer":33,"createTime":5,"id":34,"options":35,"question":39,"source":21,"type":22},[],364422846,[36,37,10,38],"1","1\u002F2","2","幂级数∑_(n=0)^∞▒〖(2z)^n 〗的收敛半径是",{"answer":41,"createTime":5,"id":42,"options":43,"question":48,"source":21,"type":22},[],364422847,[44,45,46,47],"δ(ω)","πδ(ω)","2πδ(ω)","1\u002Fjω+πδ(ω)","常数1的傅氏变换为",{"answer":50,"createTime":5,"id":51,"options":52,"question":54,"source":21,"type":22},[],364422848,[36,53,10,38],"+∞","幂级数∑_(n=0)^∞▒〖1\u002F(n+1) z^n 〗的收敛半径是",{"answer":56,"createTime":5,"id":57,"options":58,"question":63,"source":21,"type":22},[],364422849,[59,60,61,62],"u(x,y),v(x,y)在z_0点可微","在z_0点∂u\u002F∂x=∂v\u002F∂y,∂u\u002F∂y=-∂v\u002F∂x","在z_0点u(x,y),v(x,y)可微且∂u\u002F∂x=∂v\u002F∂y,∂u\u002F∂y=-∂v\u002F∂x","f(z)在z_0点连续","函数f(z)=u(x,y)+iv(x,y)在z_0 点可导的充要条件是",{"answer":65,"createTime":5,"id":66,"options":67,"question":72,"source":21,"type":22},[],364422850,[68,69,70,71],"u(x,y),v(x,y)在区域D内可微","在区域D内∂u\u002F∂x=∂v\u002F∂y,∂u\u002F∂y=-∂v\u002F∂x","在区域D内u(x,y),v(x,y)可微且∂u\u002F∂x=∂v\u002F∂y,∂u\u002F∂y=-∂v\u002F∂x","以上都不对","函数f(z)=u(x,y)+iv(x,y)在区域D内解析的条件是",{"answer":74,"createTime":5,"id":75,"options":76,"question":81,"source":21,"type":22},[],364422852,[77,78,79,80],"可导不解析","连续不可导","处处解析","有奇点","f(z)=cos⁡z在z平面上",{"answer":83,"createTime":5,"id":84,"options":85,"question":90,"source":21,"type":22},[],364422854,[86,87,88,89],"二级零点","三级零点","二级极点","三级极点","z=-1是函数f(z)=((z+1)^3)\u002F(z(z^2+1)^3 ) 的",{"answer":92,"createTime":5,"id":93,"options":94,"question":99,"source":21,"type":22},[],364422857,[95,96,97,98],"u(x,y)在(x_0,y_0)连续","v(x,y)在(x_0,y_0)连续","(lim)┬(z→z_0 ) f(z)=f(z_0)","(lim)┬(z→z_0 ) f(z)≠f(z_0)","函数f(z)=u(x,y)+iv(x,y)在z_0=x_0+iy_0连续的条件"]