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## Main Question or Discussion Point

how do you prove that the limit of the functions [tex] cos(x) ,sen(x), e^{ix} [/tex] is 0 when [tex] x\rightarrow\infty [/tex]

another question what would be the limit of [tex] (1+x)^i [/tex] tending x to infinite?..thanx

another question what would be the limit of [tex] (1+x)^i [/tex] tending x to infinite?..thanx