Vì \(\left|2x-1.5\right|\ge0\forall x\in R\)
\(\Rightarrow C=5.5-\left|2x-1.5\right|\le5.5\forall x\in R\)
Dấu "=" xảy ra khi |2x - 1.5| = 0 <=> x = 0,75
Vậy gtln của C LÀ 5.5 tại x = 0.75
tim gt lon nhat cua bieu thuc sau
B=Ix+2,8 I -3,5 I
C=I4,3 -x I + 3,7
tim gia tri lon nhat cua bieu thuc Q=19,5-|1,5-x|.Vây x se bang bao nhieu
TIM GT LON NHAT CUA BIEU THUC
M=-I10,2 -3x I -14
tim gia tri lon nhat cua bieu thuc :
b) D= 2 I 7x+5I +11/ I 7x+5I +4
tim GTNN cua bieu thuc :
c) C= 5+ -8/ 4x I5x+7I 24
tim gia tri lon nhat cua bieu thuc :
b) D= 2 I 7x+5I +11/ I 7x+5I +4
tim GTNN cua bieu thuc :
c) C= 5+ -8/ 4x I5x+7I 24
a) tim gia tri nho nhat cua bieu thuc
A= | 2x-2 | + | 2x-2019 |
b) tim x lon nhat thoa man
| 2x-4 | - | 6-3x | = -1
AI ZUP TUI GIAI NHANH VS
tim gt lon nhat cua bieu thuc 5/2-|3x-7/6|
tim gia tri lon nhat cua bieu thuc :
a) C= 5+ 15/ 4 I 3x+7 I +3
b) D= 2 I 7x+5I +11/ I 7x+5I +4
tim gia tri lon nhat cua bieu thuc :
a) C= 5+ 15/ 4 I 3x+7 I +3
b) D= 2 I 7x+5I +11/ I 7x+5I +4
