Binomial TheoremHard

Question

If n is a positive integer, then is :

Options

A.a rational number other than positive integers
B.an irrational number
C.an odd positive integer
D.an even positive integer

Solution


Using Binomial
= 2[T2 + T4 + T6 + ........ + T2n]
= 2[2nC1(√3)2n-1+ 2nC3(√3)2n - 3 + ..........]
= An Irrational Number

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