7x^4/3*7x^-3/13

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Solution for 7x^4/3*7x^-3/13 equation: 


D( x )

x = 0

x = 0

x = 0

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

(7*x^-3*((7*x^4)/3))/13 = 0

49/39*x = 0 // : 49/39

x = 0

x in { 0} 

x belongs to the empty set

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