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Repetition - Komplexa tal

Authored by Lars Hanning

Mathematics

12th Grade

Used 3+ times

Repetition - Komplexa tal
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13 questions

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1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Ange realdelen till

 z = i3z\ =\ i-3  

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Ange imaginärdelen till

 z=12+5iz=12+5i  

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Ange konjugatet till

 z=2+3iz=-2+3i  

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Ange ett nollställe till polynomet

 p(x)=(3x34x2+12x+15)(x2)p\left(x\right)=\left(3x^3-4x^2+12x+15\right)\left(x-2\right)  

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Hur många lösningar har ekvationen

 p(x)=0p\left(x\right)=0   om  p(x)=(3x34x2+12x+15)(x2)p\left(x\right)=\left(3x^3-4x^2+12x+15\right)\left(x-2\right)  ?

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Polynomet p(x)=2x4+10x314x258x+60p\left(x\right)=2x^4+10x^3-14x^2-58x+60  

har ett nollställe  x1=3x_1=-3  och kan du faktoriseras till  p(x)=(x+3)q(x)p\left(x\right)=\left(x+3\right)\cdot q\left(x\right)  . Vilket gradtal har polynomet q(x)?

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

Ange det komplexa talet z på rektangulär form

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