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Heya
_______________________________
GOOD MORNING
Let x = 1 , y = 0 And z = -1
L.H.S
=>
(1)³ + (0)³ + (-1)³ -3(1)(0)(-1)
=>
1 -1 - 0
=>
0
R.H.S
=>
1/2 ( 1 + 0 -1 ) { ( 1 -0 )² + ( 0 +1 )²+ (-1 -1 )²
=>
0× { 1 + 1 -2 }
=>
0 × { 2 - 2 }
=>
0 × { 0 }
=>
0
L.H.S = R.H.S
Hence, verified
_______________________________
GOOD MORNING
Let x = 1 , y = 0 And z = -1
L.H.S
=>
(1)³ + (0)³ + (-1)³ -3(1)(0)(-1)
=>
1 -1 - 0
=>
0
R.H.S
=>
1/2 ( 1 + 0 -1 ) { ( 1 -0 )² + ( 0 +1 )²+ (-1 -1 )²
=>
0× { 1 + 1 -2 }
=>
0 × { 2 - 2 }
=>
0 × { 0 }
=>
0
L.H.S = R.H.S
Hence, verified
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