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 bieu thuc A=|X-1006|-|X+1014|
TIM GIA TRI LON NHAT CUA BIEU THUC :
C=2+12/3x/X+5/+4
TIM GIA TRI NHO NHAT CUA BIEU THUC
C= -15/ 4x / 3X+7/+3
Tim gia tri lon nhat cua bieu thuc P = -2|x-1|-7
tim gia tri lon nhat cua bieu thuc : -x2 + 2
tim gia tri nho nhat hoac lon nhat cua bieu thuc sau:
x^2+15/x^2+3
tim gia tri lon nhat cua bieu thuc Q=19,5-|1,5-x|.Vây x se bang bao nhieu
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