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Find the magnitude of -3i.A. 3iB. √3C.-3D. 3

Sagot :

Given:

[tex]-3i[/tex]

Required:

To find the magnitude of a given number.

Explanation:

Consider

[tex]0-3i[/tex]

The magnitude is

[tex]\begin{gathered} =\sqrt{0^2+(-3)^2} \\ \\ =\sqrt{9} \\ \\ =3 \end{gathered}[/tex]

Final Answer:

The option D is correct.

[tex]3[/tex]