Math, asked by dilipjain223, 1 month ago

if X + y + z = 0 show that x power 3 + y power 3 + z power 3 = 3 x y​

Answers

Answered by Riddhiiii0510
0

Answer:

x+y+z=0

⟹x+y=−z

Cubing on both sides

(x+y)  3  =(−z)  3  

⟹x  3  +y  3 +3x  2  y+3xy  2  =−z  3    

⟹x  3  +y  3  +3xy(x+y)=−z  3

 

⟹x  3  +y  3  +3xy(−z)=−z  3

 

⟹x  3  +y  3  −3xyz=−z 3

 ⟹x  3 +y  3  +z  3  =3xyz

Step-by-step explanation:

Similar questions