导数计算问题lim x趋向无穷[(x-3)(2x^2+1)]/(2-7x^3)lim x趋向4 [e^x+cos(4-x
导数计算问题lim x趋向无穷[(x-3)(2x^2+1)]/(2-7x^3)lim x趋向4 [e^x+cos(4-x
lim(x趋向无穷)[1-(2/x)]^3x
求下列式子的值(1)lim(x趋向无穷) (2x+7)/[(x-1)(x+2)]=?(2)lim(x趋向无穷) (3x^
lim (x 趋向于无穷)e^-x^2*cosx
当x趋向于正无穷,求lim{{(x+1)^2*(3x-1)^3}/x^4*(x+4)}
求lim (sin^2x+x)/(cos^2x-x) x趋向于无穷
lim(x趋向无穷)根号(4x^2-x+1)-2X的极限
x趋向于无穷时 lim (3x-1)/(x^3 乘以 sin(1/x^2 ))
求lim x趋向于无穷时(-X)/(2X^2+3x-1)答案
lim(2x+3/2x+1)6x次方 x趋向无穷 求极限
lim x趋向+无穷 √(4x^2+1)-X / X-1
lim x(arctg((x+1)/(x+2))-∏/4),x趋向无穷