Giải bpt:

a,\(\frac{\sqrt{x^2-x+4}-2x-3}{x-2}>3\)

b, \(\sqrt{x\left(x-1\right)}+\sqrt{x\left(x+2\right)}\le\sqrt{x\left(4x+1\right)}\)

Giải BPT: \(\sqrt{x^4+x^2+1}+\sqrt{x.\left(x^2-x+1\right)}\le\sqrt{\dfrac{\left(x^2+1\right)^3}{x}}\)

Giải BPT: \(\sqrt{x^4+x^2+1}+\sqrt{x.\left(x^2-x+1\right)}\le\sqrt{\dfrac{\left(x^2+1\right)^3}{x}}\)

Giải BPT: \(\sqrt{x^4+x^2+1}+\sqrt{x.\left(x^2-x+1\right)}\le\sqrt{\dfrac{\left(x^2+1\right)^3}{x}}\)

Giải BPT sau

\(\sqrt{x+1}\le\dfrac{x^2-x-2\sqrt[3]{2x+1}}{\sqrt[3]{2x+1}-3}\)

Giải BPT: \(\sqrt[4]{\left(x-2\right).\left(4-x\right)}+\sqrt[4]{x-2}+\sqrt[4]{4-x}+6x\sqrt{3x}\le x^3+30\)

Giải BPT: \(\sqrt[4]{\left(x-2\right).\left(4-x\right)}+\sqrt[4]{x-2}+\sqrt[4]{4-x}+6x\sqrt{3x}\le x^3+30\)

giải bpt:

1. \(\frac{\sqrt{-3x^2+x+4}+2}{x}< 2\)

2. \(\sqrt{x^2-3x+2}+\sqrt{x^2-4x+3}\ge2\sqrt{x^2-5x+4}\)

3. \(\sqrt{x^2-8x+15}+\sqrt{x^2+2x-15}\le\sqrt{4x^2-18x=18}\)

4. 4(x+1)² \(\ge\) (2x +10)( 1- \(\sqrt{3+2x}\))²

5. \(\sqrt{1+x}-\sqrt{1-x}\ge x\)

giải bpt

1.\(\frac{1}{x+2}\ge\frac{x+2}{3x-5}\)

2.\(\sqrt{-x^2+4x-3}\le x-1\)

help!