Question

if b square is equal to AC then show that a minus b upon b + c is equal to a minus b upon b​

Answer 1

Answer:

a,b,c are in AP

b−a=c−b

2b=a+c

LHS

(a−c) ² =a ²−2ac+c ²

RHS

4(b ² −ac)

=(2b) ² −4ac

=(a+c) ²−4ac

=(a−c) ²

LHS=RHS