Maths

The sum of three consecutive terms of an AP is 72 then what is the middle term

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1. Middle term = a
Three terms: (a-d), a, (a+d) are in A.P.

(a+d) + a + (a-d) = 72
=> 3a + d - d = 72
=> 3a = 72

Solve for a

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2. 24

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