2r^2-6r/r-3

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Solution for 2r^2-6r/r-3 equation: 


D( r )

r = 0

r = 0

r = 0

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

2*r^2-((6*r)/r)-3 = 0

2*r^2-6-3 = 0

2*r^2 = 9 // : 2

r^2 = 9/2

r^2 = 9/2 // ^ 1/2

abs(r) = (9/2)^(1/2)

r = (9/2)^(1/2) or r = -(9/2)^(1/2)

r in { (9/2)^(1/2), -(9/2)^(1/2) }

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