Question

Verify that x³+y³+z³-3xyz= ½(x+ y+z) [(x-y)] ²+(y-z) ²+(z-x)²] ​

Answer 1

this question to be solved like this....!!!!

Answer 2

Answer:

when we divide x²+y²+...... by 1/2 we should multiply the term by 2 so that the effective result remain the same