Question

[Cún Tửng]

so sánh n/n+3 &n+1/n+2

Answer 1

[Đinh Đức Hùng]

\(\frac{n}{n+3}< \frac{n}{n+2}\)

\(\frac{n+1}{n+2}>\frac{n}{n+2}\)

\(\Rightarrow\frac{n}{n+3}< \frac{n}{n+2}< \frac{n+1}{n+2}\)

\(\Rightarrow\frac{n}{n+3}< \frac{n+1}{n+2}\)