(8w^7x^-5y^-3z^-9)^(-2/3)

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Solution for (8w^7x^-5y^-3z^-9)^(-2/3) equation: 


D( x )

x = 0

8*w^7*x^-5*y^-3*z^-9 = 0

x = 0

x = 0

8*w^7*x^-5*y^-3*z^-9 = 0

8*w^7*x^-5*y^-3*z^-9 = 0

8*w^7*x^-5*y^-3*z^-9 = 0 // : 8*w^7*y^-3*z^-9

x^-5 = 0

x należy do O

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

(8*w^7*x^-5*y^-3*z^-9)^(-2/3) = 0

1/4*w^(-14/3)*x^(10/3)*y^2*z^6 = 0 // : 1/4*w^(-14/3)*y^2*z^6

x^(10/3) = 0

x = 0

x in { 0} 

x belongs to the empty set

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