Question

find the value of K if 3k-7,9k-2,12-4 are in ap then the value of k is

Answer 1

Answer:

what is the meaning of ( ap)

Answer 2

Answer:

k = 1/3

Step-by-step explanation:

3k-7, 9k-2, 12-4 are in A.P.

common diference , d = (9k - 2) - (3k - 7) = (12-4) - (9k - 2)

9k - 2 - 3k + 7 = 8 -  9k + 2

6k +5 = -9k +  10

6k + 9k = 10 - 5

15k = 5

k = 5/15 = 1/3