5. Find the value of k such that 2k - 1, 10 and 2k + 5 are in AP.
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Answers
Answered by
5
Answer:
4
Step-by-step explanation:
ap is given as the double of the middle is equals to the sum of the extreme terms and the explanation is as follows
2*10 = 4k+4
k+1=5
k = 4
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