Ajutor!Multumesc anticipat!

Răspuns:
P=2021
Explicație pas cu pas:
[tex]P = \frac{1 + 1}{1} \times \frac{2 + 1}{2} \times \frac{3 + 1}{3} \times ... \times \frac{2020 + 1}{2020} [/tex]
[tex]P = \frac{2}{1} \times \frac{3}{2} \times \frac{4}{3} \times ... \times \frac{2021}{2020} [/tex]
[tex]P = \frac{2021!}{2020!} [/tex]
[tex]P = 2021[/tex]