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Question
Check whether the following sequence is in A.P.
`(-1)/3, 0, 1/3, 2/3, ...`
Solution
`(-1)/3, 0, 1/3, 2/3, ...`
t2 – t1 = `0 - (- 1/3)`
= `0 + 1/3 = 1/3`
t3 – t2 = `1/3 - 0 = 1/3`
t2 – t1 = t3 – t2
The sequence is in A.P.
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