Question

If a, b, c are in A.P then show that b=a+c/2​

Answer 1

Step-by-step explanation:

if a,b,c are in ap then a=a,b=a+d,c=a+2d

then

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

a+c=a+a+2d

a+c=2a+2d

a+c=2(a+d)

a+c=2b

(a+c)/2=b

hence proved

Answer 2

Step-by-step explanation:

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