Question

if a+b+c=0 than a^3+b^3+c^3=​

Answer 1

Answer:

this is an identity.if a+b+c=0,then a^3+b^3+c^3=3abc.

Answer 2

a cube plus b cube plus c cube - 3abc is equal to to a + b + c plus into a square + b square + c square minus ab minus BC minus CA so that a + b + C is equal to zero therefore a cube plus b cube plus c cube is equal to 3abc