4. ĐK:....(√3x2−7x+3−√3x2−5x−1)−(√x2−2−√x2−3x+4)>0⇔−2x+4√3x2−7x+3+√3x2−5x−1−3x−6√x2+2+√x2−3x+4>0⇔−(x−2)(2√...+√.....+3√...+√...)>0⇔x<2 k/h vs đk $\Rightarrow x...$
4. ĐK:....(√3x2−7x+3−√3x2−5x−1)−(√x2−2−√x2−3x+4)>0⇔−2x+4√3x2−7x+3+√3x2−5x−1−3x−6√x2+2+√x2−3x+4>0⇔−(x−2)(2√...+√.....+3√...+√...)>0⇔x<2 k/h vs đk $\Rightarrow x...
4. ĐK:....
(√3x2−7x+3−√3x2−5x−1)−(√x2−2−√x2−3x+4)>0⇔−2x+4√3x2−7x+3+√3x2−5x−1−3x−6√x2+2+√x2−3x+4>0⇔−(x−2)(2√...+√.....+3√...+√...)>0⇔x<2 k/h vs đk $\Rightarrow x...
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