có (x-1)^2 >= 0 suy ra (x-1)^2+5>= 5 suy ra (x-1)^2 +5 có GTNN =5
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có (x-1)^2 >= 0 suy ra (x-1)^2+5>= 5 suy ra (x-1)^2 +5 có GTNN =5
1, tim GTLN cua A=13/(x+5)^2+7
2, tim GTNN cua B=|x+2017|+(y+3)^2+2017
3, cho a-1/2=b+3/4=c-5/6 va 5a-3b-4c=46. Tim a,b,c.
Tìm GTNN của 5/(x+3)+1
Tim x€Q biết | 2-| 1-x | | = | 2x-5 |
a)tim GTNN cua
A=/x-2019/+(y-1)^2020-2
C=/x-3/+/x+4/-5
b)tim GTLN
B=3^2-4/x^2-25/
D=x-4/x-5
1.Tim GTNN cua : \(\left|x+2014\right|+\left|2015-x\right|;\left(x-1\right)^2-5\)
tim GTNN M= /2x+3/ + 2./x-5/ + 2019
Tim GTNN cua bieu thuc:
B=|x-2|+|x-6|+5
a,tìm GTNN
d=5|x+3y+1|^11+7(x^2-4)^12+20
b, tim GTLN
E=27-3(x^2+1)^2012-3|2x-y+4|
tim GTNN hoac GTLN
F=(x2- 2x)2-5
G= /2x -1/+/y-3/+5
I= /3+4x/-1
Tim GTNN
F=|x+2|+|x+4|+|x+6|
G=|x+3|+2|x+4|+|x+5
H=|x+5\+2|x+6|