3Show that lim x cos0 – InterviewSolution

1.

3Show that lim x cos0

Answer»

since the function of cos has always a finite range from [-1,1]

so, cos(3/x) will always given a bounded value between [-1,1]

therefore , the limit will only depend on x³.

and when x →0- , the x³→0

so lim x³cos(3/x) → 0.

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