Let p , q , r and s be four positive numbers such that pqrs =1, then the least value of (1+p)(1+q)(1+r)(1+s) is equal to

Question

Let p , q , r and s be four positive numbers such that pqrs =1, then the least value of (1+p)(1+q)(1+r)(1+s) is equal to (A) 4 (B) 16 (C) 64 (D) 256

Tardigrade Admin · Accepted Answer

A.M. ≥ G.M. (for positive numbers)

Q. Let $p, q, r$ and $s$ be four positive numbers such that pqrs $= 1$ , then the least value of $(1 + p) (1 + q) (1 + r) (1 + s)$ is equal to