Question

1,6,11,16,21.. is the sequence in which ones digit of the terms are either
1 or 6
a) Is this an arithmetic sequence? If yes what is its common difference?
b) Describe this sequence in another way?
c) Write the algebraic form of this sequence ?
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Answer 1

Answer:

Given sequence is 1,6,11,16,21...

a) Yes the sequence is an Arithmetic sequence.

d= 6-1 = 5

b) many ways.

c) 5n-4 is the algebraic form. (get it by using nth term formula).

Hope it helps.

Mark Brainer.

Thanks.

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Teacher.