E: /2x-4/>0hoặc =0
suy ra gtnn của /2x-4/=0
s
E: /2x-4/>0hoặc =0
suy ra gtnn của /2x-4/=0
s
Tim GTNN cua cac bieu thuc:
a,A=|x-1|+|x-2|+|x-3|+|x-4|+...+|x-10|
b,P=|3x-6|+|y2+1|+2015
Cach lam nua nhe
Lam nhanh minh se tick
Tim GTNN cua cac bieu thuc:
a,A=|x-1|+|x-2|+|x-3|+|x-4|+...+|x-10|
b,P=|3x-6|+|y2+1|+2015
Cach lam nua nhe
Lam nhanh minh se tick
Voi gia tri nao cua x va y thi bieu thuc
C = | x - 100 | + | y + 200 | - 1 co GTNN ; tim GTNN do
Tim GTNN hoac GTLN cua cac bieu thuc sau :
a) A = 3|2x - 1| - 5 b) B = 10 - 5 |x - 2| c) C =\(\frac{1}{\left|x-2\right|+3}\)
tim cac dang cua x sao cho
bieu thuc A = 2x-1 co gia tri duong x
bieu thuc B = 8-2x co gia tri am
bieu thuc C=2(x+3) khong am
bieu thuc D=7(2-x)khong duong
TIM GTLN HOAC GTNN CUA CAC BIEU THUC SAU
B=5-2Z^2
C=/X-3/+/5-X/
cho x+y=5 tim gia tri nho nhat cua bieu thuc A=|x+1|+|y-2|
Cho:
"X "thuoc : -2; -1; 0; 1; 2; ... ; 11.
"Y"thuoc : -89; -88; -87; ...; 0; 1.
Tim ( GTLN) va ( GTNN) cua bieu thuc:
"X"-"Y"
Tim gia tri nho nhat cua bieu thuc
A=2x^2-15
B=2.(x+1)^2-17