Các câu hỏi tương tự
giai phuong trinh\(\frac{1}{x+1}-\frac{5}{x-2}=\frac{15}{\left(x+1\right)\left(x-2\right)}\)
cho phuong trinh an x: \(\frac{x+a}{x+2}+\frac{x-2}{x-a}=2\)
a) giai phuong trinh vs a=4
b)Tim cac gtri cua a sao cho phuong trinh nhan x=-1 lam nghiem
giai phuong trinh
\(\frac{x-3}{x-2}-\frac{x-2}{x-4}=3\frac{1}{5}\)
\(1+\frac{x}{3-x}=\frac{-5x}{x^2-x-6}+\frac{2}{x+2}\)
Ai co the tim nghiem cua phuong trinh tren cho mk
giai bat phuong trinh
a) \(5+\frac{x+4}{5}< x-\frac{x-2}{2}+\frac{x+3}{3}\)
b) \(x+1-\frac{x-1}{3}< \frac{2x+3}{2}+\frac{x}{3}+5\)
Giai phuong trinh sau: \(\frac{x^2+2x+2}{x+1}+\frac{x^2+8x+20}{x+4}=\frac{x^2+4x+6}{x+2}+\frac{x^2+6x+12}{x+3}\)
giai bat phuong trinh
c) \(\frac{(3x-2)^2}{3}-\frac{\left(2x+1\right)^2}{3}\le x\left(x+1\right)\)
d) \(\frac{2x-3}{4}-\frac{x+1}{3}\ge\frac{1}{2}-\frac{3-x}{5}\)
giai phuong trinh
\(\frac{1}{x-1}-\)\(\frac{1}{x-2}-\frac{1}{x-3}+\frac{1}{x-4}=0\)
Giai phuong trinh
\(\frac{7x}{x-1}-\frac{5x}{x+1}+\frac{x+21}{x^2-1}=0\)