(2x)^-3/(5x)^-3

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Solution for (2x)^-3/(5x)^-3 equation: 


D( x )

(5*x)^-3 = 0

2*x = 0

5*x = 0

(5*x)^-3 = 0

(5*x)^-3 = 0

1/125*x^-3 = 0 // : 1/125

x^-3 = 0

x naleu017Cy do O

2*x = 0

2*x = 0

2*x = 0 // : 2

x = 0

5*x = 0

5*x = 0

5*x = 0 // : 5

x = 0

x in (-oo:0) U (0:+oo)

((2*x)^-3)/((5*x)^-3) = 0

125/8 = 0

x belongs to the empty set

x belongs to the empty set

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