Question

If the terms 10, a, 40 are in A.P. then find the value of a.

please give correct explaination​

Answer 1

Answer:

$a = 25$

Step-by-step explanation:

$a = \frac{(10 + 40)}{2}$

$a = 25$

Answer 2

Answer:

10, a, 40

if they are in ap then,

first term=10

d=a-10

and d'=40-a

if they are in ap then,

d=d'

a-10= 40-a

a+a= 40+10

2a=50

a=25

pls mark as brainialist!!