crack ur brain
Number Theory
Level
1
If A,B and C are real numbers then what is the value of ?
The answer is 0.
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1 solution
A , B 2 and C 4 = ( C 2 ) 2 all have to be non-negative. Since they add up to zero, all these 3 values have to be zero. If any one of them is positive, at least one other value has to be negative.