xy 16根号xy-132小于等于0

2025-03-13 01:00:20
推荐回答(1个)
回答1:

xy+16√xy-132≤0
(√xy+22)(√xy-6)≤0
-22≤√xy≤6
因为√xy≥0 xy≥0
0≤√xy≤6
0≤xy≤36