3. If x, y, z are positive reals satisfying 4xy + 6yz + 8zx = 9, then the greatest possible value of the product xyz is (1) 0.125 (2) 0.375 (3) 0.500 (4) 0.625
If x, y, z are positive reals satisfying 4xy + 6yz + 8zx = 9, then the greatest possible value of the product xyz is (1) 0.125 (2) 0.375 (3) 0.500 (4) 0.625
Answers & Comments
If x, y, z are positive reals satisfying 4xy + 6yz + 8zx = 9, then the greatest possible value of the product xyz is (1) 0.125 (2) 0.375 (3) 0.500 (4) 0.625
ANSWER : 2
Verified answer
Answer:
Option (2) is correct.
Step-by-step explanation:
Formula used : AM>= GM.
See the image for full solution.