Question

if k+1 ,3kand 4k + 2are in ap.find the value of k

Answer 1

Answer:

k= 3

Step-by-step explanation:

Let the A.P be a,b,c

In the given A.P a= k+1 , b= 3k , c=4k+2

b= (a+c)/2

3k = (k+1+4k+2)/2

3k = (5k+3)/2

3k×2 = 5k+3

6k = 5k+3

6k-5k = 3

k = 3

Hope this will help you