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Insert Five numbers between 8 and 26 such that the resulting sequence is an arithmetic progression.

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Insert Five numbers between 8 and 26 such that the resulting sequence is an arithmetic progression.

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Let the five AM’s are A1, A2, A3, A4, A5 

∴ 5 AM's are ∴ 8, A1, A2, A23, A4, A5, A6 

∴ A1 = 11 n = 7, a = 8, d = ?, an = 26. A2 = 14 

an = a + (n - 1) d. A3 = 17. 

2b = 8 + (7-1)d A4 = 20 

∴ [d = 3] A5 = 23 

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