Question

the value of 'k' for which the numbers x,2k+k,3x+6 are in AP​

Answer 1

Answer:

For a set of numbers in AP, the common difference should be equal

2x+k−x=3x+6−(2x+k)

x+k=3x+6−2x−k

x+k=x+6−k

x+k−x+k=6

2k=6

k=3

Value of k should be 3.