(-7x^3y^-2)^-3/(x^2y)^2

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Solution for (-7x^3y^-2)^-3/(x^2y)^2 equation: 


D( x )

-7*x^3*y^-2 = 0

(x^2*y)^2 = 0

-7*x^3*y^-2 = 0

-7*x^3*y^-2 = 0

-7*x^3*y^-2 = 0 // : -7*y^-2

x^3 = 0

x = 0

(x^2*y)^2 = 0

(x^2*y)^2 = 0

x^4*y^2 = 0 // : y^2

x^4 = 0

x = 0

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

((-7*x^3*y^-2)^-3)/((x^2*y)^2) = 0

-1/343*x^-13*y^4 = 0 // : -1/343*y^4

x^-13 = 0

x należy do O

x belongs to the empty set

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