Sagot :
Answer:
1,5,9,13,17,21,25
Step-by-step explanation:
1+4 = 5
5+4 = 13
13+4 = 17
17+4 = 21
21+4= 25
Answer:
61
Step-by-step explanation:
{a}^1 = 1 \: \: \\d = 4 \: \: n = 16 \\ \\ a16 = 1 + 4(16 - 1) \\ \\ a16 = 1 + 4(15) \\ \\ a16 = 1 + 60 \\ \\ a16 = 61 \\ \\ \\ \\ \\\ thus \: the \: 16st \: term \: is \: 61