Question

Fie multimea A= {9,15,21,.......,3003}.
a)Aflati card(A) si suma elementelor multimii A . b) Studiati daca 2013 apartine A
c)Daca n=card(A),aratati ca :2la puterea n+3 -2la puterea n+3 -2 la puterea n =5 inmultit
cu 2 la puterea 500.

Answer 1

Card a = [9 21 ]
 n card = [9 21] puterea 2 
card a + n card = [30] puterea 3