Question

it's too much urgent guys plz help to figure it out plzzzzzz ❤❤❤❤❤

Q-1) If a,b,c are all non- zero
and a+b+c = 0,prove that,
a²/bc + b²/ca + c²/ab = 3



Q-2) if a+b+c = 14,
a²+b²+c² = 74,
a³+b³+c³ = 424,
then, find the value of abc¡

Answer 1

i hope it helps you second one I'll solve soon