x2-8x+5= (x2-2.4.x+16)-11 = (x-4)2-11
dấu = xảy ra <=>x-4=0<=>x=4
x2-8x+5= (x2-2.4.x+16)-11 = (x-4)2-11
dấu = xảy ra <=>x-4=0<=>x=4
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 .
voi gia tri nao cua bien thi bieu thuc sau co gia tri nho nhat,tim gia tri do
\(\left(x-2013\right)^2+\left(y-2014\right)^2-2015\)
xet bieu thuc M=\(\dfrac{13}{4-x}\)
c) trong cac gia tri nguyen cua cua xthi gia tri nao lon nhat gia tri nao be nhat ?
voi gia tri nao cua x thi M=2009/11-x co gia tri lon nhat
xet da thuc M=\(\dfrac{13}{4-x}\)
trong cac gia tri nguyen cua x thi gia tri nao lon nhat gia tri nao nho nhat
tim gia tri nghuyen x de bieu thuc A= 2/6-x co gia tri lon nhat
voi gia tri nguyen nao cua x thi bieu thuc A=2015-2x/1-x co GTLN
voi x nguyen voi gia tri lon nhat cua bieu thuc A=2016-x/6-x
Cho biểu thức A = x^2+3/x-2
a tim dieu kien cua x de gia tri cua bieu thuc khong xac dinh duoc
b. Voi nhung gia tri nao cua x thi bieu thuc A nhan gia tri la so a