Diễn Đàn MathScope - Xem bài viết đơn - Tim Max $(3\sqrt{2}y-\sqrt{11}z)^2+(\sqrt{7}z-3\sqrt{2}x)^2+(\sqrt{11}x-\sqrt{7}y)^2$

man111 · 06-05-2019, 10:20 PM

Cho $x^2+y^2+x^2=1.$ Tim Max $(3\sqrt{2}y-\sqrt{11}z)^2+(\sqrt{7}z-3\sqrt{2}x)^2+(\sqrt{11}x-\sqrt{7}y)^2$

06-05-2019, 10:20 PM	#1
man111 +Thành Viên+ Tham gia ngày: Nov 2010 Bài gởi: 280 Thanks: 152 Thanked 77 Times in 49 Posts	Tim Max $(3\sqrt{2}y-\sqrt{11}z)^2+(\sqrt{7}z-3\sqrt{2}x)^2+(\sqrt{11}x-\sqrt{7}y)^2$ Cho $x^2+y^2+x^2=1.$ Tim Max $(3\sqrt{2}y-\sqrt{11}z)^2+(\sqrt{7}z-3\sqrt{2}x)^2+(\sqrt{11}x-\sqrt{7}y)^2$