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D( n )
n = 0
n = 0
n = 0
n in (-oo:0) U (0:+oo)
(n^6)/11 = 83/n // - 83/n
(n^6)/11-(83/n) = 0
(n^6)/11-83*n^-1 = 0
1/11*n^6-83*n^-1 = 0
n^-1*(1/11*n^7-83) = 0
1/11*n^7 = 83 // : 1/11
n^7 = 913
n^7 = 913 // ^ 1/7
n = 913^(1/7)
1/n = 0
1*n^-1 = 0 // : 1
n^-1 = 0
n należy do O
n = 913^(1/7)
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