Question

Giải các bất phương trình sau:

a) \(\frac{x^2-9x+14}{x^2+9x+14}\ge0\)

b) \(\frac{x^2+1}{x^2+3x-10}< 0\)

c) \(\frac{10-x}{5+x^2}>\frac{1}{2}\)

d) \(\frac{x+1}{x-1}+2>\frac{x-1}{x}\)

e) \(\frac{1}{x+1}+\frac{2}{x+3}\le\frac{3}{x+2}\)

f) \(\frac{x-3}{x+1}-\frac{x-2}{x-1}\le\frac{x^2+4x+15}{x^2-1}\)

g) \(\frac{x^2-4x+3}{x^2-2x}\ge0\)

h) \(\frac{x+2}{3x+1}\le\frac{x-2}{2x-1}\)

i) \(\frac{11x^2-5x+6}{x^2+5x+6}\le x\)

j) \(\frac{\left(1-2x\right)\left(\sqrt{3}x+1\right)}{2\sqrt{2}x-1}\ge0\)

k) \(\frac{\left(5x+1\right)-\left(7x-2\right)}{\left(-x^2-1\right)\left(x^2-4x+4\right)}\le0\)

l) \(\frac{1}{x^2-7x+5}\ge\frac{1}{x^2+2x+5}\)

m) \(\frac{\left(x-1\right)\left(x^3-1\right)}{x^2+\left(1+2\sqrt{2}\right)x+2+\sqrt{2}}\le0\)

Answer 1

Giúp mình hoàn thành các bài tập này với ạ.Cảm ơn rất nhìuuuuuuu @@@

Answer 2

@Akai Haruma