1.

Let f(x)=x^(13)+2x^(12)+3x^(11)+...+13x+14 " and " alpha=cos""(2pi)/15+isin""(2pi)/15.If N=f(alpha)f(alpha^(2))...f(alpha^(14)), then

Answer»

number of DIVISION of N is 144
number of DIVISORS of N is 196
number of divisors of N which are perfect squares of 49
number of divisors of N which are perfect SQUARE of 12

Answer :B


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