Question

A B and C are in AP prove that b + c, c + a and a + b are also AP

Answer 1

$your \: answer$
whenever it is said that the terms are in AP like here it is given that a,b,c are in AP

so

it can be written in the form of b-a=c-b
2b=a+c
here
a+b ,b+c,c+a are in AP so
b+c-(a+c)=a+b-(a+c)
b+c-a-c=a+b-a-c
2b =a+c
hence proved ✓

Answer 2

Answer:

ur answer is in this above attachment .

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