What is the closed form for the infinite geometric sequence beginning  4,2,1,1/2 where the first term is obtained by setting the index variable n equal to 1? The closed form is xn =

Q: Write an equation for the nth term of the arithmetic sequence 4, 7, 10, 13, ...

A: We have to find the nth term of the given sequence.

Q: The sum of two consecutive terms in the arithmetic sequence 1​, 4​, 7​, 10​, ... is 299​; find these…

A:

Q: Find the 53rd term of the arithmetic sequence 27, 11, -5, ...27,11,−5,...

A: The given arithmetic sequence is  27, 11, -5, ...............  The first term a = 27 difference d =…

Q: Find the next 3 terms of the arithmetic sequence 1, 3,5, 7, ......

A: To find next three terms of arithmetic sequence: 1,3,5,7... Solution: given sequence is: 1,3,5,7...…

Q: Here are the first two terms of a geometric sequence: 2, 4. What are the next three terms?

A: First-term, a=2 Common ratio, r = 4/2 = 2

Q: What are the next three terms of the arithmetic sequence −14,−9,−4,1,...?

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Q: Find the sum of the first 11 terms of the geometric sequence 4, -4, 4, .. 4

A: