Question

(a/bc+b/ca+c/ab) whole square

Answer 1

It is formula type of
(A+b+c) ²=a²+b²+c²+2ab+2bc+2ca
Then
(A\bc+b\ca+c\ab) ²=A\bc²+b\ca²+c\ab²+2a\bc b\ca +2b\ca c\ab +2c\ab a\bc



I hope this will help you
By DEVANSH