Question

plz solve 17th sum plzzzz

Answer 1

Answer:

Step-by-step explanation:

if a+b+c=0

we need to show that a3+b3+c3=3abc

proof

a3+b3+c3-3abc={a+b+c] [a2+b2+c2-ab-bc-ca}

{since a+b+c=0}

therefore a3+b3+c3=3abc

i hope this answer helps u