lim x→0 x^2+1 等于多少
lim(x→0) (ln cosx)/[ln(1+x^2)] 等于多少?
求lim(x趋向0) (2x+e^3x)^1/x等于多少
lim(x→0)ln(x^2+1)等于
lim x趋近于0 x^2sin(1/x) 等于多少?lim x趋近于0 sin(1/x)又等于多少?
lim (x/sinx) x→0等于多少?
lim绝对值X X趋向0 等于多少?lim绝对值1/X X趋向0 等于多少?
[lim(x趋于0) (2的X次方-1)/X ]+[lim(x趋于0) (3的X次方-1)/X]等于多少?
lim x趋于0,sinx/(1+cosx)等于多少?
lim(x→∞)(根号4x²-3x+2)/2x等于多少?
lim(x+3^x)^(1/x)等于多少啊?x趋向于0
X趋于无穷时,lim(2x+1/2x+3)^(x-1)等于多少
证明lim x→0时sinX/X等于1