Question

if a,b,c are in ap then​

Answer 1

Answer:

Considering a and b as the terms in arithmetic progression we can substitute the values in the principal formula of A.p them we get the solution.I have attached mine.mark as brainly if helpful

Answer 2

If a , b , c are in AP then 2b = a + c

Given :

a , b , c are in AP

To find :

The result

Solution :

Step 1 of 2 :

Find common difference

Here it is given that a , b , c are in AP

First term = a

Second Term = b

Third term = c

Common Difference = b - a

Also common difference = c - b

Step 2 of 2 :

Find the result

From above we get

b - a = c - b

⇒ b + b = a + c

⇒ 2b = a + c

If a , b , c are in AP then 2b = a + c

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