2s-(16/s^2)=0

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Solution for 2s-(16/s^2)=0 equation: 


D( s )

s^2 = 0

s^2 = 0

s^2 = 0

1*s^2 = 0 // : 1

s^2 = 0

s = 0

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

2*s-(16/(s^2)) = 0

2*s-16*s^-2 = 0

2*s^1-16*s^-2 = 0

(2*s^3-16*s^0)/(s^2) = 0 // * s^4

s^2*(2*s^3-16*s^0) = 0

s^2

2*s^3-16 = 0

{ 1, -1, 2, -2, 4, -4, 8, -8, 16, -16 }

1

s = 1

2*s^3-16 = -14

1

-1

s = -1

2*s^3-16 = -18

-1

2

s = 2

2*s^3-16 = 0

2

s-2

2*s^2+4*s+8

2*s^3-16

s-2

4*s^2-2*s^3

4*s^2-16

8*s-4*s^2

8*s-16

16-8*s

0

2*s^2+4*s+8 = 0

DELTA = 4^2-(2*4*8)

DELTA = -48

DELTA < 0

s in { 2} 

s = 2

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