cm bđt... nữa.
Cho x,y,z
>0" role="presentation" style="font-size: 13.696px; display: inline; line-height: normal; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; position: relative;">x,y,z
>0x,y,z
>0 xyz=1" rol
e="presentation" s
tyle="font-size: 13.696px; d
isplay: inlin
e; line-heig
ht: normal; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width
: none; ma
x-height: none; m
in-width: 0px; min
-height: 0px; position: relative;">xyz=1
xyz=1 Chứng minh:xny+z+ynz+x+znx+y≥32" role="presentation" style="font-size: 13.696px; display: inline; line-height: normal; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; position: relative;">x
ny
+z+ynz
+x+znx
+y
≥32xny+z
+ynz+x+znx+y≥32 v
ới n" role="presentation" style="font-size: 13.696px; display: inline; line-height: normal; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; position: relative;">nn nguyên dương
Tổng quát Tìm min xn
py+
qz+yn
pz+
qx+zn
px+
qy" role="presentation" style="font-size: 13.696px; display: inline; line-height: normal; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; position: relative;">
xnpy+qz+ynpz+qx+znpx+qyxn
py+
qz+yn
pz+
qx+zn
px+
qy
với p,q>0" role="presentation" style="font-size: 13
.696px; display: inline; line-height: normal; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; position: relative;">p,q>0
Bất đẳng thức
cm bđt... nữa.
cho x,y,z" role="presentation" style="font-size: 13.696px; display: inline; line-height: normal; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; position: relative;">x,y,zx,y,z l
à s
ố d
ương th
ỏa m
ãn xyz=1" role="presentation" style="font-size: 13.696px; display: inline; line-height: normal; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; position: relative;">xyz
=1xyz
=1 v
à n" role="presentation" style="font-size: 13.696px; display: inline; line-height: normal; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; position: relative;">nn
là số nguyên dương
. CMR: M=xny+z+ynz+x+znx+y
≥32" role="presentation" style="font-size: 13.696px; display: inline; line-height: normal; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; position: relative;">
M=xny+z+ynz+x+znx+y
≥3
2
Bất đẳng thức
cm bđt... nữa.
Cho x,y,z
>0" role="presentation" style="font-size: 13.696px; display: inline; line-height: normal; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; position: relative;">x,y,z
>0x,y,z
>0 xyz=1" rol
e="presentation" s
tyle="font-size: 13.696px; d
isplay: inlin
e; line-heig
ht: normal; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width
: none; ma
x-height: none; m
in-width: 0px; min
-height: 0px; position: relative;">xyz=1
xyz=1 Chứng minh:xny+z+ynz+x+znx+y≥32" role="presentation" style="font-size: 13.696px; display: inline; line-height: normal; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; position: relative;">x
ny
+z+ynz
+x+znx
+y
≥32xny+z
+ynz+x+znx+y≥32 v
ới n" role="presentation" style="font-size: 13.696px; display: inline; line-height: normal; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; position: relative;">nn nguyên dương
Tổng quát Tìm min xn
py+
qz+yn
pz+
qx+zn
px+
qy" role="presentation" style="font-size: 13.696px; display: inline; line-height: normal; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; position: relative;">
xnpy+qz+ynpz+qx+znpx+qyxn
py+
qz+yn
pz+
qx+zn
px+
qy
với p,q>0" role="presentation" style="font-size: 13
.696px; display: inline; line-height: normal; word-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; position: relative;">p,q>0
Bất đẳng thức