Tìm x để

a) \(\dfrac{\sqrt{x}-1}{\sqrt{x}+1}>1\)

b) \(\dfrac{2\sqrt{x}-3}{\sqrt{x}-1}>2\)

Tìm a ϵ Z để P nguyên

a) P= \(\dfrac{\sqrt{x}}{\sqrt{x}-2}\)

b) P= \(\dfrac{2\sqrt{x}-1}{\sqrt{x}+3}\)

c) P= \(\dfrac{3\sqrt{x}-1}{2\sqrt{x}+1}\)

Tìm a ϵ Z để P nguyên

a) P= \(\dfrac{\sqrt{x}}{\sqrt{x}-2}\)

b) P= \(\dfrac{2\sqrt{x}-1}{\sqrt{x}+3}\)

c) P= \(\dfrac{3\sqrt{x}-1}{2\sqrt{x}+1}\)

Tìm a ϵ Z để P nguyên

a) P= \(\dfrac{\sqrt{x}}{\sqrt{x}-2}\)

b) P= \(\dfrac{2\sqrt{x}-1}{\sqrt{x}+3}\)

c) P= \(\dfrac{3\sqrt{x}-1}{2\sqrt{x}+1}\)

So sánh

a) A= \(\sqrt{3}-\sqrt{2}\) và B = \(\sqrt{6}-\sqrt{5}\)

b) A= \(\sqrt{2018}+\sqrt{2014}+\sqrt{2010}\)

B= \(\sqrt{2011}+\sqrt{2015}+\sqrt{2016}\)

So sánh

a) A= \(\sqrt{3}-\sqrt{2}\) và B = \(\sqrt{6}-\sqrt{5}\)

b) A= \(\sqrt{2018}+\sqrt{2014}+\sqrt{2010}\)

B= \(\sqrt{2011}+\sqrt{2015}+\sqrt{2016}\)

So sánh

a) A= \(\sqrt{3}-\sqrt{2}\) và B = \(\sqrt{6}-\sqrt{5}\)

b) A= \(\sqrt{2018}+\sqrt{2014}+\sqrt{2010}\)

B= \(\sqrt{2011}+\sqrt{2015}+\sqrt{2016}\)