(5x^7)/(7x^5)/(25x)/(21x^3)

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Solution for (5x^7)/(7x^5)/(25x)/(21x^3) equation: 


D( x )

21*x^3 = 0

25*x = 0

7*x^5 = 0

21*x^3 = 0

21*x^3 = 0

21*x^3 = 0 // : 21

x^3 = 0

x = 0

25*x = 0

25*x = 0

25*x = 0 // : 25

x = 0

7*x^5 = 0

7*x^5 = 0

7*x^5 = 0 // : 7

x^5 = 0

x = 0

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

(((5*x^7)/(7*x^5))/(25*x))/(21*x^3) = 0

1/735*x^-2 = 0 // : 1/735

x^-2 = 0

x należy do O

x belongs to the empty set

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