Question

if abc are in AP then b is called of a and c​

Answer 1

Step-by-step explanation:

When a,b,c are in A.P.,

First term is t

1

=a

Second term t

2

=a+d=b

third term is t

3

=a+2d=c

Now a+c=a+(a+2d)=2a+2d=2(a+d)=2b

⇒a+c=2b

Answer 2

Answer:

middle term maybe ok

Step-by-step explanation:

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