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Question Number 8964 by Joel575 last updated on 08/Nov/16
Can you solve this problem?  lim_(x→∞)  ((log (x^3  + (log x)^3 ))/(log (x^2  + (log x)^2 )))
Canyousolvethisproblem?limxlog(x3+(logx)3)log(x2+(logx)2)
Commented by sou1618 last updated on 08/Nov/16
L=lim_(x→∞) ((log(x^3 +(logx)^3 ))/(log(x^2 +(logx)^2 )))  L=lim_(x→∞) ((log{(1+(((logx)/x))^3 )x^3 })/(log{(1+(((logx)/x))^2 )x^2 }))  L=lim_(x→∞) ((log(1+(((logx)/x))^3 )+3logx)/(log(1+(((logx)/x))^2 )+2logx))  lim_(x→∞) ((logx)/x)=0  lim_(x→∞) log(1+(((logx)/x))^([2,3]) )=log(1)=0  L=lim_(x→∞) ((3logx)/(2logx))  L=(3/2)
L=limxlog(x3+(logx)3)log(x2+(logx)2)L=limxlog{(1+(logxx)3)x3}log{(1+(logxx)2)x2}L=limxlog(1+(logxx)3)+3logxlog(1+(logxx)2)+2logxlimxlogxx=0limxlog(1+(logxx)[2,3])=log(1)=0L=limx3logx2logxL=32

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