Tim gia tri nho nhat va lon nhat cua bieu thuc sau: \(p=\frac{4x+3}{x^2+1}\)
Tim gia tri lon nhat va gia tri nho nhat cua bieu thuc sau: A=\(\frac{x+1}{x^2+x+1}\)
tim gia tri nho nhat cua \(\frac{356+4x^4+16x^3+56x^2+80x}{x^2+2x+5}\)
tim gia tri nho nhat cua P=\(\frac{x+3\sqrt{x}+2}{x}\)
tim gia tri nho nhat cua A=\(\frac{2010x+2680}{x^2+1}\)
tim gia tri nho nhat cua \(\frac{3}{2+\sqrt{-x^2+2x+7}}\)
Tim gia tri nho nhat cua Q(x)= x(x-1)(x-2)(x-3)
tim gia tri nho nhat cua
\(\frac{1}{x^2}+x3\)
cho m = \(\frac{-3}{\sqrt{x}+3}\) tim gia tri nho nhat cua m
