Question

The first, second and the last terms of an AP
are m, n and 2m respectively. Show that it's
3mn/ 2(n-m)​

Answer 1

Answer:

Step-by-step explanation:

first term = m and second term = n.

an= a+(n-1)d.

d= n-m.

In this way you can proceed and substitute the values. As u have not specified in the question which term u want to find. I hope this helps.