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Q: What is the nth term of 3 1 -1 -3 -5?

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2n+5

The nth term of the sequence is 2n + 1.

It is: nth term = 5-4n and so the next term will be -19

If you mean -1 3 7 11 15 then the nth term is 4n-5 and so the next term will be 19

I suspect that the first term should be "negative 3", ie the sequence is -3, 1, 5, 9, 13, 17, ... The nth term is 4n - 7

The next term is: 15+4 = 19 The nth term is: 4n-5

Un = 4n - 9

The differences are 3, 5, 7, 9,11, ... and the first term is -1; the nth term is: n² - 2

12 - 5(n-1)

The nth term is 2 + 3n.

The nth term is 4n - 3

2n+3. If 5 is the first term, then it is 2n + 3 (2×1 = 2 + 3 = 5 and 2×2 + 3 = 7)

This is an Arithmetic Series/Sequence. In general the nth term, A(n) = a + (n - 1)d....where a is the 1st term and d is the common difference. In this question, the 1st term equals 1 and the common difference is 4. Then the nth term, A(n) = 1 + (n - 1) x 4 = 1 + 4n - 4 = 4n - 3.

This is the Fibonacci sequence, where the number is the sum of the two preceding numbers. The nth term is the (n-1)th term added to (n-2)th term

1st term= 3 2nd term = 5 Nth term = 2n+1 10th term= 21 = 2(10)+1

Un = (-1)n*(2n - 1)

7 - 4n where n denotes the nth term and n starting with 0

2n + 1

is 219 in the sequence of 4n-3

This is an arithmetic sequence with initial term a = 3 and common difference d = 2. Using the nth term formula for arithmetic sequences an = a + (n - 1)d we get an = 3 + (n - 1)(2) = 2n - 2 + 3 = 2n + 1.

The nth term is: 5-6n

If you mean: 3, 4, 5, 6 and 7 then nth term = n+2

What is the nth term for 2, 5, 8, 11, 15

tn = 15 - 4n (n = 1,2,3, ... )

(2n-1)(-1)n

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