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Insert five numbers between 8 and 26 suc...

Insert five numbers between 8 and 26 such that the resulting sequence is an A.P.

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Here, `a = 8, a_n, = 26, n = 7, d = ?`
Let the `5` AM's are` A_1, A_2, A_3, A_4, and A_5 `
`(8), A_1, A_2, A_3, A_4, A_5 (26)`
⇒ Take `a_n, = a + (n - 1)d `
...
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