All pastes #2101651 Raw Edit

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#2101651 ·published 2012-01-09 19:12 UTC
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>> b = 5

b =

     5

>> a = 1

a =

     1

>> c = 2

c =

     2

>> (-b+sqrt(b^2-4*a*c))/(2*a);
>> (-b+sqrt(b^2-4*a*c))/(2*a)

ans =

  -0.438447187191170

>> (-b-sqrt(b^2-4*a*c))/(2*a)

ans =

  -4.561552812808831

>> (-2*c)/(b+sqrt(b^2-4*a*c))

ans =

  -0.438447187191170

>> (-2*c)/(b-sqrt(b^2-4*a*c))

ans =

  -4.561552812808831