that nhanh nha minh can gap !!!
Cho cac so duong
$x,y,z
$ thoa man
$x+y+z = 1
$Tim GTNN cua bieu thuc
$T =
\sqrt{ 2x^2 + xy + 2y^2
}+
\sqrt{ 2y^2 + yz + 2z^2
} +
\sqrt{ 2x^2 + xz +2z^2
}$
GTLN, GTNN
that nhanh nha minh can gap !!!
Cho cac so duong x,y,z thoa man x+y+z = 1 Tim GTNN cua bieu thuc T =
can( 2x^2 + xy + 2y^2
) +
can( 2y^2 + yz + 2z^2
) +
can( 2x^2 + xz +2z^2
)
GTLN, GTNN
that nhanh nha minh can gap !!!
Cho cac so duong
$x,y,z
$ thoa man
$x+y+z = 1
$Tim GTNN cua bieu thuc
$T =
\sqrt{ 2x^2 + xy + 2y^2
}+
\sqrt{ 2y^2 + yz + 2z^2
} +
\sqrt{ 2x^2 + xz +2z^2
}$
GTLN, GTNN