25x^6r^7/20x^-4r^3

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Solution for 25x^6r^7/20x^-4r^3 equation:


D( x )

x = 0

x = 0

x = 0

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

((25*r^7*x^6)/20)*r^3*x^-4 = 0

5/4*r^10*x^2 = 0 // : 5/4*r^10

x^2 = 0

x = 0

x in { 0}

x belongs to the empty set

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