Question

Find the common difference of the following A.P. -1,2,5,8........ *​

Answer 1

Answer:

The common difference (d) of the following AP is:-

3

The first term is -1.

The second term is 2.

Let d be x.

a + (n-1)d = 2

-1 + (2-1)d = 2

-1 + 1d = 2

1d = 2 + 1

1d = 3

d = 3

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Answer 2

Answer:

common difference is 3

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