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

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


D( x )

x^21 = 0

x^21 = 0

x^21 = 0

1*x^21 = 0 // : 1

x^21 = 0

x = 0

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

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

21*x^-11 = 0 // : 21

x^-11 = 0

x należy do O

x belongs to the empty set

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