Question

if reciprocals of a, b, c are in AP then find :
$b + c \div b - c + b + a \div b - a$
​

Answer 1

Answer:

a+c=2b

Step-by-step explanation:

If a,b,c are in AP

a+c=2b

we need to prove a+b,c+a,b+c are in AP

∴2(a+c)=b+c+a+b

2c+2a=2b+c+a

a+c=2b

∴proved.

Hope the answer helped u mark me as brainliest to get extra points and follo.w me now! so that I can answer any of your questions quickly☺️