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rossy84
02.03.2021 •
Mathematics
An arithmetic sequence a starts 2, 5, . .
1. Use your definition to make a table of values for a (n) and find a (6).
na(n)
1
2
3
4
5
6
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Ответ:
Tn = 3n-1
T6 = 17
Step-by-step explanation:
Given the arithmetic sequence;
2, 5...
first term a = 2
Common difference d = 5-2 = 3
nth term of an AP is expressed as Tn = a + (n-1)d
Tn = 2 + (n-1)(3)
Tn = 2 + 3n-3
Tn = 3n-1
Get the 6th term
T6 = 3(6)-1
T6 = 18-1
T6 = 17
Hence the 6th term of the sequence is 17
Ответ:
A
Step-by-step explanation:
common difference d = 4
nth term = a₁ + (n-1)d
= 50 + (n-1)4
= 50 + 4n-4
= 46 + 4n