Các câu hỏi tương tự
Tim cac gia tri cua x de cho bieu thuc sau co gia tri duong
M=(x+5)×(x+9)
tim cac gia tri nguyen cua x de bieu thuc sau nhan gia tri duong (x+1).(x-2)/x+6
tim cac gia tri cua x de cac bieu thuc sau co gia tri duong
a] D=x2+4
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 .
tim cac gia tri nguyen cua x de cac bieu thuc sau co gia tri lon nhat tim gia tri do
\(A=\frac{1}{7-x}\)
\(B=\frac{27-2x}{12-x}\)
C=\(\frac{14-x}{4-x}\)
D=\(\frac{7x-8}{2x-3}\)
tim cac so nguyen x de cac bieu thuc sau co gia tri nho nhat
A=\(\frac{1}{7-x}\)
B=\(\frac{7-x}{x-5}\)
C=\(\frac{5x-19}{x-4}\)
cho bieu thucA=\(\frac{8-x}{x-3}\)
tim gia tri cua x de A co gia tri bang gia tri bieu thuc M=x+1
Tim cac gia tri nguyen cua x de cac gia tri bieu thuc sau la so nguyen
a, 9-2x/x-3
b,3x-5/x-2
c,-3/4-x
tim cac gia tri cua x de bieu thuc sau nhan gia tri am
a)x mu 2 + 5x b)x mu 2 - 5/2x c)3(2x+3)(3x-5) d)x - 2/x-6 e) x mu 2 -1/x mu 2