Question

. Verify that xº + y2 + z2 – 3xyz = = (x + y + x)[(x - y)2 + (y – z)? + (z – x)?]
If riza show that r3+ y3 + 73 = 3xyz.​

Answer 1

Answer:

. Verify that xº + y2 + z2 – 3xyz = = (x + y + x)[(x - y)2 + (y – z)? + (z – x)?]

If riza show that r3+ y3 + 73 = 3xy