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D( x )
x = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
8/x = 17/3 // - 17/3
8/x-(17/3) = 0
8/x-17/3 = 0
8*x^-1 = 17/3 // : 8
x^-1 = 17/24
-1 < 0
1/(x^1) = 17/24 // * x^1
1 = 17/24*x^1 // : 17/24
24/17 = x^1
x = 24/17
x = 24/17
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