Question

A plus bplus c is equal to 0 3abc is equal to 27 find value of a3
plus b3plusc3

Answer 1

Solution :

**************************************
We know that ,

If x + y + z = 0, then

x³ + y³ + z³ = 3xyz

*************************************

Here ,

It is given that ,

a + b + c = 0 ----( 1 )

3abc = 27 ------( 2 )

Now ,

a³ + b³ + c³ = 3abc

= 27 [ from ( 2 ) ]

••••