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The first four terms of an arithmetic sequence are shown below. 1, 5, 9, 13,...... (a) Write down the nth term of the sequence (general formula). (b) Calculate the 100th term of…

The first four terms of an arithmetic sequence are shown below. 1, 5, 9, 13,...... (a) Write down the nth term of the sequence (general formula). (b) Calculate the 100th term of…
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The first four terms of an arithmetic sequence are shown below.

1, 5, 9, 13,......

(a) Write down the nth term of the sequence (general formula).

(b) Calculate the 100th term of the sequence.

(c) Find the sum of the first 100 terms of the sequence.

asked
User Natasha Dutta
by
8.6k points

1 Answer

5 votes

Answer:

a) n = 4(n-1)+1

b) 397

c) 19900

Explanation:

answered
User Matt Toigo
by
8.0k points
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