Các câu hỏi tương tự
Tim so tu nhien n ( n khac 0) nho nhat de gia tri cua bieu thuc
A = ( 9n + 2014 )2 - 100n2 chia het cho 2014
tim cac so tu nhien n de gia trị bieu thuc sau la so nguyen to : 5n^3-9n^2+15n-27=0
Tim gia tri cua x de bieu thuc P=(x^2-2x+1989)/x^2 dat gia tri nho nhat.
cho bieu thuc P=a/a^2-a+1 tim a la so tu nhien de bieu thuc P co gia tri nguyen
tim gia tri nho nhat cua bieu thuc tim gia tri nho nhat cua bieu thuc x^4-4x^3+12x^2-16x+16
Tim gia tri nho nhat cua bieu thuc A:
A=\(\frac{x^2+2x+3}{\left(x+2\right)^2}\)
tim gia tri lon nhat cua bieu thuc M=b/[7-(a+b)] voi a,b la cac so tu nhien
Cho bieu thuc A = ( 1/ x^2 - x + 1/x-1):x+1/x^2 -2x +1 ( x khac 0;1;-1)
a) Rut gon bieu thuc A
b) Tinh gia tri bieu thuc A khi x=2014/2013
c)Tim dieu kien cua x de A co gia tri lon hon 1
tim gia tri nho nhat cua bieu thuc
\(A=\frac{2015}{\left|x\right|-3}\) voi x nguyen