Question

Is 123 is a term of the arithmetic sequance11,22,33​

Answer 1

Answer:

To find the "nth" term of an arithmetic sequence, start with the first term, a(1). Add to that the product of "n-1" and "d" (the difference between any two consecutive terms). For example, take the arithmetic sequence 3, 9, 15, 21, 27.... a(1) = 3. d = 6 (because the difference between consecutive terms is always 6

Answer 2

Answer:

NO

Step-by-step explanation:

Let 123 = aₙ

a=11, d=11

aₙ=a+(n-1)d

aₙ = 11+(n-1)11

123 = 11+11n-11

123 = 11n

n=123/11

Which cannot be divisible

So 123 is not a term of the arithmetic sequence

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