Question: limit tutor problem

hi!i tried using the limit tutor for the ff questions but it just said "no rule is applicable for this problem" please help me i dont know what to do..thanks!i appreciate it. > 1.) (lim)(sqrt(x-1)-2)/(x^(2)-25); > x approaches 5 > 2.) (lim)(x+1-(e)^(x))/(x^(3)); x approaches 0^+ > 3.) (lim)(x^(3/(2))+5x-4)/(x ln x); > x approaches infinity > 4.) (lim)tan x ln sin x; x approaches pi^-/2 > 5.) (lim)(cos x)^(x+1); x approaches 0 "6.) (lim)(1+1/(x))^(5x)" x approaches infinity
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