monacoustic
10. Nasa question na po susundin mo nalang. Start from 5. 5 - 2 = 3.. 3 x 3 = 9.. 9 - 2 = 7... 7 x 3 = 21... and so on...
monacoustic
11. yung pattern na 1,3,5,7,9,11, and so on.. then 6,18,30,42 (lahat pinag add lang ng 12).. etong mga sequence ay most likely patterns lang, di mo need formula para masagot. Kailangan mo lang malaman ang pattern and maisip mo logically.
monacoustic
12. input mo lang n as 5 sa formula. ayan na po solution.
Answers & Comments
Verified answer
Answer:
7. wala po sa choice. ang sagot po eto.
[tex]an \: = \frac{ { - 1}^{(n + 1)} }{2n} [/tex]
10. D
11. B
12. A