\(D=\frac{x+5}{x-4}=\frac{x-4}{x-4}+\frac{9}{x-4}=1+\frac{9}{x-4}\)
D đại GTNN khi \(\frac{9}{x-4}\) nhỏ nhất => x-4 lớn nhất > 0
mà x nguyên nên x-4 nguyên => x-4=1 => x=5
tim x nguyen de cac bieu thuc sau dat gia tri nho nhat : x+5/x-4
bai 1 tim x nguyen de cac bieu thuc sau dat gia tri nho nhat
D=x+5 phần x-4
tim x nguyen de bieu thuc dat gia tri be nhat ;
A=(x-1)mũ 2+2008; B=|x+4|+1996;C=5 phan x-2;D=x+5 phanx-4
bai 1 tim nguyen de cac bieu thuc sau dat gia tri lon nhat
P=2010-(x+1)^2008
Q=1010-/3x/
C=5 phần (x-3)^2+1
D=4 phần/x-2/+2
Tim x nguyen de bieu thuc sau dat gia tri lon nhat
a,P= 2010 - (x + 1)2008
Tim x thuoc so nguyen sao cho bieu thuc A=14-x/4-x dat gia tri lon nhat
Cho STN n = 10x + y ; dat M = \(\frac{n}{I x+y}\). Tim STN n de bieu thuc M dat GTNN
TIM CAC SO NGUYEN X DE BIEU THUC SAU LA SO NGUYEN:
A=6 /X-2
B=X+1/X-2
C=X-5/X+2
MK CAN GAP LM NHANH GIUP MK!!!
Tim gia tri nguyen cua n de cac bieu thuc sau dat gia tri nguyen:
a) A = 1200/n-1
b) B = -1500/n+1
