Question

Let n be an odd integer such that the polynomial Pn(x) = 1 + 2x + 3x² + .... + (n + 1) xⁿ has exactly one real root. This real root α satisfies
(a) -1 < α < 0 (b) 0 < α < 1
(c) 0 ≤ α ≤ 1 (d) -1 ≤ α ≤ 0

Answer 1

option A

Step-by-step explanation:

hope it helps.....

Answer 2

Answer:

option a)................................