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Let fp(alpha)=(cos(alpha/p^2)+i sin(alph...

Let `f_p(alpha)=(cos(alpha/p^2)+i sin(alpha/p^2))+((cos)(2alpha)/p^2+isin2alpha/p^2)..........(cos)alpha/p+i (sin)alpha/p)` Then `lim_(n->oo)[|f_n(2pi)]}`is equal to,where`[*]`denotes greatest integral function.

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