Consider a function f(k) defined for positive integers k = 1,2, …. ; the function satisfies the conditionf(1) + f(2) + …. = p/(p-1). Where p is fraction i.e. 0 < p < 1.Then f(k) is given by(a) p(-p)k-1(b) p(1-p)k-1(c) {p(1-p)}k-1(d) None of these

1) A
2) B
3) C
4) D