Question

If x+y+z=land x, y, z are positive numbers such that
(1-x)(1-y)(1-z) >= kxyz, then greatest value of k is equal to
(A) 2
(B) 4
(C) 8
(D) 16​

Answer 1

Answer:

greatest value of k is equal to

(A) 2

(B) 4

(C) 8

(D) 16