1) For what value of K will K+9, 2K-1 & 2K+7 are the consecutive terms of an AP?
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As the common difference is same so
2K-1-K-9=2K+7-2K+1
K-10=8
K=18.
HOPE IT HELPED U.
2K-1-K-9=2K+7-2K+1
K-10=8
K=18.
HOPE IT HELPED U.
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