Answer 3.4:7

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(Ny sida: <math>(z-1)(z-2)(z-4) = z^3 -7z^2 + 14z - 8</math>)
Current revision (14:11, 16 September 2008) (edit) (undo)
m (Svar 3.4:7 moved to Answer 3.4:7: Robot: moved page)
 
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<math>(z-1)(z-2)(z-4) = z^3 -7z^2 + 14z - 8</math>
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{| width="100%" cellspacing="10px"
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|a)
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|width="50%"| <math>(z-1)(z-2)(z-4) = z^3 -7z^2 + 14z - 8</math>
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|b)
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|width="50%"| <math>(z+1-i)(z+1+i) = z^2+2z+2</math>
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|}

Current revision

a) \displaystyle (z-1)(z-2)(z-4) = z^3 -7z^2 + 14z - 8 b) \displaystyle (z+1-i)(z+1+i) = z^2+2z+2