Question

Find the middle term of the AP 10, 7, 4, …, (–62).

(guys please explain me
when to use which formula
for even which formula for odd which formula)​

Answer 1

Step-by-step explanation:

10-7=3 , 7-10= -3

7-4=3 ,4-7= -3

therefore difference =3

-62 - 3 = -65