lim x^2y^2/x^2y^2+(x-y)^2 这个题的极限怎么求呢.lim x^2y^2/x^2y^2+(x-y)^2(x,y)-(0,0)怎么求极限哦.
来源:学生作业帮助网 编辑:六六作业网 时间:2024/08/15 14:34:38
limx^2y^2/x^2y^2+(x-y)^2这个题的极限怎么求呢.limx^2y^2/x^2y^2+(x-y)^2(x,y)-(0,0)怎么求极限哦.limx^2y^2/x^2y^2+(x-y)^
lim x^2y^2/x^2y^2+(x-y)^2 这个题的极限怎么求呢.lim x^2y^2/x^2y^2+(x-y)^2(x,y)-(0,0)怎么求极限哦.
lim x^2y^2/x^2y^2+(x-y)^2 这个题的极限怎么求呢.
lim x^2y^2/x^2y^2+(x-y)^2
(x,y)-(0,0)
怎么求极限哦.
lim x^2y^2/x^2y^2+(x-y)^2 这个题的极限怎么求呢.lim x^2y^2/x^2y^2+(x-y)^2(x,y)-(0,0)怎么求极限哦.
不存在.令y=kx,
x^2y^2/(x^2y^2+(x-y)^2)=k^2x^4/(k^2x^4+(1-k)^2x^2)
当k=1时此极限为1
当k不等于1时 此极限为0或者为无穷.
故此极限与k值有关.极限不存在.
如果正确请顶一下呵呵!
=1
lim sin(y×x^2+y^4)/(x^2+y^2) x,y都趋于0,
x.y都趋于正无穷大时:lim(x^2+y^2)e^-(x+y)?
lim(x→∞,y→∞) x+y/x^2-xy+y^2
极限x,y趋向0 lim x y/(x^2+y^2) =( ).
求极限lim(x→+∞,y→+∞) (X+Y)/(X^2-Y^2)
lim(x→∞,y→∞) x+y/x^2-xy+y^2
lim((x^2)y)/(x^4+y^2),x和y都趋向于0
lim(x+y)cos(1/(x^2+y^2))且x,y趋于0
lim(x→0y→1)(1+xe^y)^(2y+x/x)求极限
证明 lim(2x-y)/(x+y) 不存在(x,y)趋于(0,0)
lim(x,y)趋向于(无穷,a) (1+1/x)^(x^2/(x+y))answer:e
lim(x→+∞,y→0) (1+1/x)^(x^2/(x+y))
lim(x,y)->(∞,a)(1-1/x)^(x^2/x+y)
lim(x,y)->(0,2)(1-3xy)^2/x
1.lim(2x-sinx)/(2x+sinx) (x→0)2.lim(sinsinx)/x (x→0)3.lim 4/y (y→∞)
(lim) x/(x-y)
lim(xy/(x^2+y^2))^x^2 x,y趋近无穷 求极限
求极限lim(x,y)→(+∞,+∞) (xy/(x^2+y^2))^x^2