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Question
If −5,k,−1 are AP, then the value of k is equal to
If −5,k,−1 are AP, then the value of k is equal to
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Solution
The correct option is D −3
Given that −5,k,−1 are in A.P.Therefore, k+5=−1−k⇒2k=−6⇒k=−3Therefore, the value of k is −3.
Given that −5,k,−1 are in A.P.
Therefore, k+5=−1−k
⇒2k=−6
⇒k=−3
Therefore, the value of k is −3.
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