(2m^4/m^2)-4

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Solution for (2m^4/m^2)-4 equation: 


D( m )

m^2 = 0

m^2 = 0

m^2 = 0

1*m^2 = 0 // : 1

m^2 = 0

m = 0

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

(2*m^4)/(m^2)-4 = 0

2*m^2 = 4 // : 2

m^2 = 2

m^2 = 2 // ^ 1/2

abs(m) = 2^(1/2)

m = 2^(1/2) or m = -2^(1/2)

m in { 2^(1/2), -2^(1/2) }

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