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D( x )
3*x-4 = 0
3*x-4 = 0
3*x-4 = 0
3*x-4 = 0 // + 4
3*x = 4 // : 3
x = 4/3
x in (-oo:4/3) U (4/3:+oo)
(3*x-4)*e^(1/(3*x-4)) = 0
3*x-4 = 0
3*x-4 = 0 // + 4
3*x = 4 // : 3
x = 4/3
e^(1/(3*x-4)) = 0
x należy do O
(3*x-4)*e^(1/(3*x-4)) = 0 <=> 3*x-4 = 0 or (3*x-4)*e^(1/(3*x-4)) = 0 <=> e^(1/(3*x-4)) = 0
x in { 4/3}
x belongs to the empty set
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