lim x趋近于无穷 ((x-1)/(x+1))^(0.5x+4)

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lim x趋近于无穷 ((x-1)/(x+1))^(0.5x+4)
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lim x趋近于无穷 ((x-1)/(x+1))^(0.5x+4)
lim x趋近于无穷 ((x-1)/(x+1))^(0.5x+4)

lim x趋近于无穷 ((x-1)/(x+1))^(0.5x+4)

=lim[1-2/(x+1)]^(0.5x+4)

=lim e^[(0.5x+4)ln(1-2/(x+1))]

=lim e^[-2*(0.5x+4)/(x+1)]

=lim e^-1=e^-1

原式等于(1+-2/x+1)∧((x+1)/2)*(-x-8/x+1)=e∧-1=1/e∧((x+1)/2)*(-x-8/x+1)这步是怎么倒出来的呀?

lim(1-(1/x))^(x-2) x趋近于无穷 Lim (x趋近于正无穷)x^1/x x趋近于无穷 lim [xsin(1/3x) ]=? lim[e^(2/x)-1]*x趋近于正无穷 lim(x-a/x+a)^x x趋近于无穷 lim x趋近于1 x^2趋近于1 求极限 x趋近于正无穷 Lim{[x^(1+x)]/[(1+x)^x]-x/e} lim (x趋近于正无穷) cos(1-x/1+x) lim(x趋近于正无穷)((√x(x+a))-x) 证明极限是否存在,详细步骤lim|x|/x(x趋近于0),lime^1/x(x趋近于0),limsinx(x趋近于无穷) lim x趋近于无穷[(x^2-1)/(x^2+1)]^(x^2-x)等于多少. 当x趋近于无穷 lim(sinx+cosx)/x 是多少 lim(sinx+cosx)/x,x趋近于无穷 lim sinx/x(x趋近于无穷) = lim (sinx+xosx)/x x趋近于无穷 lim x趋近于0 sinx/1+x=?打错了 是x趋近于无穷 lim x趋近于无穷,2x-1分之3x的平方+6x+1 【急】大一微积分lim[x-x^2ln(1+1/x)] x趋近于无穷 lim x趋近于无穷 ((x-1)/(x+1))^(0.5x+4)