Find ratio

a,b, c are real numbers such that

(a+b-2c)^2 + (b+c-2a)^2 + (c+a-2b)^2 = (a-b)^2 + (b-c)^2 + (c-a)^2

Find a:b:c

6 Answers

21
tapanmast Vora ·

one possible ratio is 1:1:1

as the variables are symmetric!!

and also lhs = rhs = 0

1
Akand ·

1:1:1..........

simple hai hehe

341
Hari Shankar ·

suppose more possibilities exist?

1
Lonely 1 ·

y not simply open the squares and solve

1
rahul1993 Duggal ·

taking a-b=x , b-c=y , c-a=z
we get
(y-z)^2 + (z-x)^2 + (x-y)^2 = x^2 + y^2 + z^2
but we want
\\ (x-y)^2=x^2\\ (y-z)^2=y^2\\ (z-x)^2=z^2
so only possibility is x=y=z=0
or a=b=c
so ratio is 1:1:1

9
Celestine preetham ·

no sir no more possibilities exist

opening up squares and solving u wud end up with

Σ(a-b)2 = 0

implying a=b=c

Your Answer

Close [X]