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The sequence b(n)= npicos(npi) coverges or diverges? if it converges what is the limit?
My Work
When n is even cosnpi= o and b(n)=o (therefore when n is oven it converges)
but
when n is odd cosnpi=-1 and b(n)= - infinity( thereofre when n is even it diverges)
is this correct?
My Work
When n is even cosnpi= o and b(n)=o (therefore when n is oven it converges)
but
when n is odd cosnpi=-1 and b(n)= - infinity( thereofre when n is even it diverges)
is this correct?
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