(4-r^2)^(3/2)

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Solution for (4-r^2)^(3/2) equation: 


D( r )

4-r^2 < 0

4-r^2 < 0

4-r^2 < 0

-1*r^2 < -4

-1*r^2 < -4 // * -1

1*r^2 > 4

1*r^2 > 4 // : 1

r^2 > 4/1

r^2 > 4

r^2 > 4 // ^ 1/2

abs(r) > 2

r in (-oo:-2) U (2:+oo)

r in <-2:2>

(4-r^2)^(3/2) = 0

-1*r^2 = -4 // : -1

r^2 = 4

r^2 = 4 // ^ 1/2

abs(r) = 2

r = 2 or r = -2

r in { 2, -2 }

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