Question

If a, b, c are in the AP then 2b^2

Answer 1

Step-by-step explanation:

Since , a,b, c are in AP

→b-a=c-b (common difference )

→2b=a+c .→b=(a+c)/2

→2b^2=2(a+c)^2/4=(a+c)^2/2

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