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D( x )
(8*x^10)^8 = 0
(8*x^10)^8 = 0
(8*x^10)^8 = 0
16777216*x^80 = 0 // : 16777216
x^80 = 0
x = 0
x in (-oo:0) U (0:+oo)
((32*x^20)^4)/((8*x^10)^8) = 0
1/16 = 0
x belongs to the empty set
x belongs to the empty set
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