Question

Help in this question of Arithmetic Progression

Answer 1

\[\frac{b-a}{c-b}=\frac{c-b}{a}
c-b=b-a
Use this two try to solve

Answer 2

k

Answer 3

Oops
i 4gt to end my latex
\[\frac{b-a}{c-b}=\frac{c-b}{a}\]

Answer 4

thnx a lot

Answer 5

P/s: I haven't try..... If there's any problem comment here...