Rika Grobler
Quiz by , created more than 1 year ago

Kyk of jy graad 10 komplekse getalle verstaan

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Rika Grobler
Created by Rika Grobler almost 8 years ago
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Komplekse Getalle

Question 1 of 5

1

\(i^{2}\) =

Select one of the following:

  • 1

  • -1

  • \(i\)

  • \(-i\)

Explanation

Question 2 of 5

1

\(-i^{2}\)=

Select one of the following:

  • 1

  • -1

  • \(i\)

  • \(-i\)

Explanation

Question 3 of 5

1

\(\frac{5}{i}\)=

Select one of the following:

  • 5

  • -5

  • \(5i\)

  • \(-5i\)

Explanation

Question 4 of 5

1

\( (1+i)^{2}\) =

Select one of the following:

  • \(2i\)

  • \(2+2i\)

  • \(-2+2i\)

  • 2

Explanation

Question 5 of 5

1

\( (2+5i).(3-2i) \)=

Select one of the following:

  • \(-4+11i\)

  • \(16-19i\)

  • \(6-10i\)

  • \(16+11i\)

Explanation

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