Question

[nguyen thi bao tien]

Chứng minh:

\(\frac{a}{b}< 1\Rightarrow\frac{a+n}{b+n}< 1\)

Answer 1

[titanic]

Có \(\frac{a}{b}< 1\Rightarrow a< b\) Do đó \(a+n< b+n\)\(\Rightarrow\frac{a+n}{b+n}< 1\)