Question

if 2k+1,6,3k +1 are in ap find the value of k

Answer 1

Hi dear !!

a1 = 2k+1

a2 = 6

a3 = 3k +1

a2-a1 = a3 - a2

2× a2 = a1+ a3

2× 6 = 2k+1 + 3k +1

12 = 5 k +2

k = 2


hope it help you dear !!!!


thanks !!

Answer 2

Answer:

Step-by-step explanation:a+c=2b is the formula that can be used here as three expressions are given

==>2k+1+3k+1=12

==>5k+2=12

==>k=10/5=2