Question

giup minh cau nay voi

Answer 1

Answer 2

bổ sung câu c. 

c, Để \(P>\dfrac{3}{2}\) thì \(\dfrac{\sqrt{x}+2}{\sqrt{x}+1}>\dfrac{3}{2}\)

\(\Leftrightarrow2\sqrt{x}+4>3\sqrt{x}+3\Leftrightarrow\sqrt{x}< 1\Leftrightarrow x< 1\)

Vậy \(0\le x< 1\) thì \(P>\dfrac{3}{2}\)