{"id":"site-2860/zad/2862","paper_id":"site-2860","number":"2862","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","text":"Dany jest ciąg (a_n) określony wzorem a_n = (-1)^n{2-n / n^2} dla n=1,2,3... Oblicz a_2, a_4 i a_5.","answer":null,"answer_text":null,"solution":null,"image":"img/site/2860/zad-2862.svg","solution_image":"img/site/2860/rozw-2862.svg","topics":null,"page_from":null,"source":"site","answer_source":null,"answer_text_source":null,"solution_source":null,"text_source":"site","source_label":"Matematyka · Zbiory zadań (podstawowa)","subject_label":"Matematyka","category_label":"Zbiory zadań","text_html":"<p>Dany jest ciąg (a_n) określony wzorem a_n = (-1)^n{2-n / n^2} dla n=1,2,3... Oblicz a_2, a_4 i a_5.</p>","solutions":[{"source":"site","label":"matematykaszkolna.pl","kind":"image","image":"/img/site/2860/rozw-2862.svg"}]}