Question

if x+y+z=0 show that Xcube+Ycube+Zcube-3xyz

Answer 1

Answer:

Step-by-step explanation:

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SOL.

x + y + z = 0 \\ {(x + y + z)}^{3} =  {x}^{3}  +  {y}^{3}  +  {z}^{3}  - 3xyz = 0 \\  \\  =  {x}^{3}  +  {y}^{3}  +  {z}^{3}  = 3xyz \:  \:  \:  \: proved

Here, proved

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