For what value of `n` the `n^(t h)` terms of the following two A.Ps the same? `1,7, 13 , 19 ,` (ii) `69 ,68 ,67 ,`

Explanation

Here, `a = 13, d = 19 – 13 = 6` and `2nd AP = 69, 68, 67, … `


Here, `a = 69, d = 68 – 69 = –1`


According to the question,


`13 + (n – 1)6`


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