1/2=21-n/n

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Solution for 1/2=21-n/n equation: 


D( n )

n = 0

n = 0

n = 0

n in (-oo:0) U (0:+oo)

1/2 = 21-(n/n) // - 21-(n/n)

n/n+1/2-21 = 0

-39/2 = 0

n belongs to the empty set

n belongs to the empty set

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