{"id":"site-2679/zad/3129","paper_id":"site-2679","number":"3129","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","text":"Ciąg (a_n) jest określony wzorem a_n=(-3)^n*(9-n^2) dla n>=1. Wynika stąd, że A. a_3=-81 B. a_3=-27 C. a_3=0 D. a_3>0","answer":null,"answer_text":null,"solution":null,"image":"img/site/2679/zad-3129.svg","solution_image":"img/site/2679/rozw-3129.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=(-3)^n*(9-n^2) dla n&gt;=1. Wynika stąd, że A. a_3=-81 B. a_3=-27 C. a_3=0 D. a_3&gt;0</p>","solutions":[{"source":"site","label":"matematykaszkolna.pl","kind":"image","image":"/img/site/2679/rozw-3129.svg"}]}