Question

prove it step by step ​

Answer 1

Answer:

a+b+c=0

then,

a+b=-c

b+c=-a

a+c=-b

now put these values

a^2/3bc + b^2/3ac + c^2/3ab

take lcm and add

a^3+ b^3+ c^3/ 3abc

3abc/3abc

=1