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The value of lim (n tends to infinity) sinn(2πn/3n+1) is
a. 0
b.Infinity
c.1
d.2
we know that sinx lies between [0,1]
for any value of n, 2Pi.n / (3n+1) is not a multiple of Pi/2
so sin(2Pi.n / (3n+1)) can never be equal to 1 , i.e., sin(2Pi.n / (3n+1)) < 1
so the value in this interval [0,1) power infinity gives zero
i.e., the above limi ttends to 0
option A
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