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Question
If k,(2k - 1) and (2k - 1) are the three successive terms of an AP, find the value of k.
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Solution
It is given that k,(2k -1)and (2k +1) are the three successive terms of an AP.
∴ (2k-1) - k= (2k+1) - (2k-1)
⇒ k - 1 =2
⇒ k = 3
Hence, the value of k is 3.
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