How to find the limit of LIM (x →∞) (1 + 5 / x) ^ 2x?
lim(x→∞) (1+5/x)^2x
=lim(x→∞) (1+5/x)^(2*5x/5)
=lim(x→∞) [(1+5/x)^x/5]^10
=e^10
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