Solution :************************************We KNOW that ,If x + y + Z = 0 , thenx³ + y³ + z³ = 3XYZ **********************************Here, x = (-10 ) , y = 7 , z = 3 ,Now ,x + y + z = -10 + 7 + 3 = 0Therefore ,( -10 )³ + 7³ + 3³= 3xyz= 3× ( -10 ) × 7 × 3= - 630Therefore ,The VALUE of ( -10 )³ + 7³ + 3³= - 630•••••
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