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Q: What cannot be the nth term of an AP?

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123456789 * * * * * The nth term is 3n

11

It is: nth term = 7n-9

It is: nth term = 29-7n

The nth term is 6n+1 and so the next term will be 31

Related questions

A single number, such as -3052 cannot define a sequence and, without a sequence you cannot have an nth term.

35 * * * * * That is the next term. The question, however, is about the nth term. And that is 6*n - 1

A single number, such as 15131197 does not constitute a sequence, and so there cannot be an nth term.

A single number, such as 491625 does not define a sequence and so cannot have an nth term.

-4-14112031 = -14112035 is a single number, not a sequence! It cannot have an nth term.

7

By "the nth term" of a sequence we mean an expression that will allow us to calculate the term that is in the nth position of the sequence. For example consider the sequence 2, 4, 6, 8, 10,... The pattern is easy to see. # The first term is two. # The second term is two times two. # The third term is two times three. # The fourth term is two times four. # The tenth term is two times ten. # the nineteenth term is two times nineteen. # The nth term is two times n. In this sequence the nth term is 2n.

If the first term, t(1) = a and the common difference is r then t(n) = a + (n-1)*r where n = 1, 2, 3, ...

123456789 * * * * * The nth term is 3n

11

It is not possible to determine an nth term from a single number.

The nth term is 2n

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