tim gia tri lon nhat hoac nho nhat cua:
a )
A= 3. / 1-2x/ -5
b)
B=3/4 - /2 -3x/
Bai 5
a)Tim gia tri lon nhat cua A=2016 phan (x-2)2 +(x-y)4+3
b)Tim cac gia tri cua x sao cho A=7-x phan x+2 co gia tri duong
tim gia tri lon nhat cua A=/x/+5/2/x/+3
cho bieu thuc A = 2006 -x / 6-x tim gia tri nguyen cua x de A dat gia tri lon nhat. Tim gia tri lon nhat do
cho bieu thuc A = 2012 / 9 - x . Voi gia tri nguyen cua x thi A co gia tri lon nhat ? Tim tri lon nhat do .
tim gia tri lon nhat cua x biet a=0,7-[3X-1]
voi x nguyen ,gia tri lon nhat cua B=4x+3/-2x+1
gia tri lon nhat cua bieu thuc B = 5/2-|3x-7/6|
gia tri lon nhat cua bieu thuc C=3/|x-1|+(x-1)^4+1 + 1/2
