How would I solve the limit for this sequence.

[n^(2)]*[1-cos(2.4/n)]

I used L'Hopital's rule by putting n^(-2) in the bottom, but I got the wrong answer of -1.44 in the end. Please help, thanks!

1 answer

what's your name.

i think i'm in your class.

I'm having the same problem. Hopital isn't the way to solve this problem though.
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