{"id":"site-2679/zad/3128","paper_id":"site-2679","number":"3128","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","text":"Ciąg (a_n) jest określony wzorem a_n=(-1)^n(n^2-2n) dla n>=1. Wtedy A. a_3>0 B. a_3=3 C. a_3<2 a_3=2","answer":null,"answer_text":null,"solution":null,"image":"img/site/2679/zad-3128.svg","solution_image":"img/site/2679/rozw-3128.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>Ciąg (a_n) jest określony wzorem a_n=(-1)^n(n^2-2n) dla n&gt;=1. Wtedy A. a_3&gt;0 B. a_3=3 C. a_3&lt;2 a_3=2</p>","solutions":[{"source":"site","label":"matematykaszkolna.pl","kind":"image","image":"/img/site/2679/rozw-3128.svg"}]}