Question

\(b,B=\left(1-\dfrac{1}{2}\right)\left(1-\dfrac{1}{3}\right)\left(1-\dfrac{1}{4}\right)...\left(1-\dfrac{1}{2022}\right)\left(1-\dfrac{1}{2023}\right)\)

help với mấy người đẹp trai xinh gái và đừng làm như anh Nguyễn Lê Phước Thịnh

Answer 1

\(=\dfrac{1}{2}\cdot\dfrac{2}{3}\cdot\dfrac{3}{4}\cdot...\cdot\dfrac{2021}{2022}\cdot\dfrac{2022}{2023}\)

=1/2023

Answer 2

\(B=\dfrac{1}{2}.\dfrac{2}{3}.\dfrac{3}{4}...\dfrac{2021}{2022}.\dfrac{2022}{2023}\)

\(=\dfrac{1.2.3...2022}{2.3.4...2023}=\dfrac{1}{2023}\)