Question

find what value of k will K + 92 K - 1 2 k + 7 are consecutive terms and of an ap​

Answer 1

Answer:

For what value of k will k+9 , 2k -1 and 2k +7 are the consecutive terms of an AP ????

k=18

Step-by-step explanation:

Let,

k + 9 = a

2k - 1 = b

2k + 7 = c

To be in AP,

a + c = 2b

(k + 9) + (2k + 7) = 2(2k - 1)

k + 9 + 2k + 7 = 4k - 2

3k + 16 = 4k - 2

3k - 4k = - 2 - 16

 - k = - 18

k = 18

For k = 18, the terms k+9 , 2k - 1 , 2k + 7 are in AP

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