tim gia tri nho nhat cua bieu thuc
Cho a,b,c la 3 so thuc duong thoa man
abc=1. Tim gia tri nho nhat cua bieu thucS =
a2(ab+2)(2ab+1) +
b2(bc+2)(2bc+1) +
c2(ac+2)(2ac+1)
GTLN, GTNN
tim gia tri nho nhat cua bieu thuc
Cho a,b,c la 3 so thuc duong thoa man
abc=1. Tim gia tri nho nhat cua bieu thuc
$S =
a2(ab+2)(2ab+1) +
b2(bc+2)(2bc+1) +
c2(ac+2)(2ac+1)
GTLN, GTNN
tim gia tri nho nhat cua bieu thuc
Cho a,b,c la 3 so thuc duong thoa man
abc=1. Tim gia tri nho nhat cua bieu thucS =
a2(ab+2)(2ab+1) +
b2(bc+2)(2bc+1) +
c2(ac+2)(2ac+1)
GTLN, GTNN