Question

check whether the terms are AP or not 1, 1 1/2 ,2, 2 1/2, 3​

Answer 1

Answer:

Compare the given series with a  

1

​  

,a  

2

​  

,a  

3

​  

......, we get

a  

2

​  

−a  

1

​  

=1−1=0

a  

3

​  

−a  

2

​  

=1−1=0

a  

4

​  

−a  

3

​  

=1−1=0

This shows that the difference of a term and preceding term is always same.

Hence, the given sequence forms an A.P.

Step-by-step explanation:

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