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Grade: 11
        
Find x^1/3 + y^1/3 + z^1/3 = 0
Then find (x + y + z)^3
5 years ago

Answers : (2)

Arun Kumar
IIT Delhi
askIITians Faculty
256 Points
							
Hello Student


Thanks & Regards
Arun Kumar
Btech, IIT Delhi
Askiitians Faculty
5 years ago
Pallavi Das
17 Points
							
we know if a+b+c=0 then a^3+b^3+c^3=3abc
so ifx^1/3 + y^1/3 + z^1/3 = 0 then
x+y+z=3.x^1/3.y^1/3.z^1/3
so (x+y+z)^3=(3.x^1/3.y^1/3.z^1/3)^3
(x+y+z)^3=27xyz
 
5 years ago
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