If n is an even number and alpha, beta a...

If `n` is an even number and `alpha, beta` are the roots of equation `x^2+px+q=0` and also of equation `x^2n+p^nx^n+q^n=0 and f(x)= ((1+x)^n)/(1+x^n), then f(alpha/beta)=` (where `alpha^n+beta^n!=0, p!=0)` (A) 0 (B) 1 (C) -1 (D) none of these

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