Question

If a₁, a₂, .......... a_n are positive real numbers whose product is a fixed number c, then the minimum value of a₁ + a₂ +.........+ a_n–1 + 2a_n is

(a) n(2c)^1/n

(b) (n + 1)c^1/n

(c) 2nc^1/n

(d) (n + 1)(2c)^1/n

Answer 1

Correct option is (a) n(2c)^1/n