if 2k+1,6,3k+1 are in a.p then find the value of k
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if 3 terms are in a.p then ,
second term-first term=third term-second term
6-2k-1=3k+1-6
5-2k=3k-5
5k=10
k=2
second term-first term=third term-second term
6-2k-1=3k+1-6
5-2k=3k-5
5k=10
k=2
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