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2k,k+10,3k+2 are in a.p
so, difference between them is equal.
(k+10)-2k = (3k+2)-(k+10)
→k+10-2k = 3k+2-k-10
→10-k = 2k-8
→10+8 = 2k+k
→18 = 3k
→k = 18/3
so,k = 6
so, difference between them is equal.
(k+10)-2k = (3k+2)-(k+10)
→k+10-2k = 3k+2-k-10
→10-k = 2k-8
→10+8 = 2k+k
→18 = 3k
→k = 18/3
so,k = 6
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