cho A=\(\frac{\sqrt{x}+1}{\sqrt{x}-3}\)(x\(\ge\)0)
tim so nguyen de A co gia tri la so nguyen
cho P=\(\frac{9}{\sqrt{x-5}}\). tim x thuoc Z de A co gia tri nguyen
co bao nhieu gia tri x nguyen thoa man \(\frac{\sqrt{x}+1}{\sqrt{x}-3}\) nguyen
B=\(\frac{5}{\sqrt{x}-1}\). Tim x thuoc Z de B co gia tri nguyen.
Cho bieu thuc \(A=\frac{5-X}{X-2}\) .Tim gia tri nguyen cua x de
a) A co gia tri nguyen .
b) A co gia tri nho nhat .
goi A la tap hp cac so nguyen duong x sao cho gia tri cua bieu thuc :\(\frac{2\sqrt{x}+3}{\sqrt{x}-1}\) nguyen
Tim so Nguyễn x de N=9/\(\sqrt{x-5}\)co gia tri nguyen
A=\(\sqrt{x}+1\)/\(\sqrt{x}-3\)Co gia tri nguyen
bai 1:Tim x,y,z \(\varepsilon\)Z ,sao cho :|x-y|+|y-z|+|z-x|+|z-t|+|t-x|=2003
bai 2:Cho bieu thuc:E=\(\frac{5-x}{x-2}\)tim gia tri nguyen cua x de
a) E co gia tri nguyen
b)E co gia tri nho nhat