Question

Find value of kfor what value of k 2 k, k + 10 and 3 k + 2 are in AP ​

Answer 1

hence the value ok k is 6

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Answer 2

Answer:

K = 6

Step-by-step explanation:

k+10 - 2k = 10 - k

d1 = 10 - k

3k+2 - k -10 = 2k - 8

d2 = 2k - 8

d1 =d2

since common difference is equal

Therefore,

10-k = 2k - 8

3k = 18

Therefore,

k = 6

(Important):

For k = 6, the following terms are in A.P