首先由均值不等式有2x + y >= 2√(2xy)
原式化为2√(2xy) + 3xy
已知实数x>0,y>0且满足2x+y+3xy=2,则2xy的最大值为
已知实数x>0,y>0且满足2x+y+3xy=2,则2xy的最大值为
数学人气:560 ℃时间:2019-10-24 05:30:55
优质解答
我来回答
类似推荐
猜你喜欢
- 1甲乙的平均数是25,甲数是18,甲数和乙数的最简单的整数比是(),甲数是乙数的()%乙数是甲数的()倍
- 2已知x-y=1,则x^4-x^3y-xy^3-3x^2y+3xy^2+y^4=
- 3使用简便方法计算.(1)3/11+5.13+8/11+0.87 (2)7.6×3/5+7.6×0.4
- 4If you want to learn English well ,you must study ___?
- 5My brother took to speaking the way his school h___ spoken,even when he was at home.
- 68 8 8 8 8 8 8 8 8 8 8 =2008填运算符号
- 7已知实系数方程x2+ax+2b=0的一个根大于0且小于1,另一根大于1且小于2,则b−2a−1的取值范围是( ) A.(14,1) B.(12,1) C.(-12,14) D.(0,13)
- 8促进经济的增长 英语怎么说啊
- 9动词填空:He often uses a computer______(help) with his work.
- 10如图,△ABC是等边三角形,P为△ABC内部一点,将△ABP绕点A逆时针旋转后能与△ACP′重合,如果AP=3,求PP′的长.