(25y^-2)^(1/2)

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Solution for (25y^-2)^(1/2) equation: 


D( y )

y = 0

25*y^-2 < 0

y = 0

y = 0

25*y^-2 < 0

25*y^-2 < 0

25*y^-2 < 0

25*y^-2 < 0 // : 25

y^-2 < 0/25

y^-2 < 0

1/(y^2) < 0

y <> 0

1/(y^2) < 0 // * y^4

(y^4)/(y^2) < 0

y^2 < 0

y belongs to the empty set

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

(25*y^-2)^(1/2) = 0

5*y^-1 = 0 // : 5

y^-1 = 0

y należy do O

y belongs to the empty set

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