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D( x )
6*x^3 = 0
6*x^3 = 0
6*x^3 = 0
6*x^3 = 0 // : 6
x^3 = 0
x = 0
x in (-oo:0) U (0:+oo)
y/(6*x^3)-34 = 14.5 // - 14.5
y/(6*x^3)-34-14.5 = 0
1/6*x^-3*y = 48.5 // : 1/6*y
x^-3 = 290.99999418*y^-1
-3 < 0
1/(x^3) = 290.99999418*y^-1 // * x^3
1 = 290.99999418*x^3*y^-1 // : 290.99999418*y^-1
0.00343643*y = x^3
x^3 = 0.00343643*y // ^ 1/3
x = 0.00343643^(1/3)*y^(1/3)
x = 0.00343643^(1/3)*y^(1/3)
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