3,K–2 ,5 are in AP .Find K
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Step-by-step explanation:
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Answered by
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Step-by-step explanation:
a2-a1 = a3-a2
k-2-3 = 5-(k+2)
k-5 = -k+7
k+k = 7+5
2k = 12
k = 12/2
k = 6
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