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 .
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
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 cau x thi bieu thuc P= -x^2-8x+5 co gia tri lon nhat
tap hop cac gia tri nguyen x cua bieu thuc /2x + 2,5/+/2x -3/ dat gia tri lon nhat
voi gia tri nguyen nao cua x thi bieu thuc A=2015-2x/1-x co GTLN
tim gia tri nguyen cua x de cac bieu thuc sau co gia tri lon nhat
a) A=1/7−X
b) B = 27-2x/12-x
voi x nguyen ,gia tri lon nhat cua B=4x+3/-2x+1
tim gia tri lon nhat cua bieu thuc A=|X-1006|-|X+1014|
