If k ,\ 2k-1 and 2k+1 are three conse...

If `k ,\ 2k-1` and `2k+1` are three consecutive terms of an A.P., the value of `k` is `-2` (b) `3` (c) `-3` (d) `6`

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The correct Answer is:

k = 3

We have, (2k-1) -k = (2k +1) - (2k -1)
`rArr k -1 = 2 rArr k = 3.`

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