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Soal Pilihan Ganda Bilangan Kompleks

Authored by Hidayati H

Mathematics

11th Grade

Used 1+ times

Soal Pilihan Ganda Bilangan Kompleks
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika z=3+4i, maka modulus dari z adalah:

3

4

5

√13

7

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika z=1+i dan w=2-i, maka z × w adalah:

1+i

2+3i

3+i

3+0i

3+4i

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui z=2-3i, maka nilai z̅ (konjugat dari z) adalah:

2+3i

2-3i

-2+3i

-2-3i

3+2i

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika z=4+3i, maka argumen dari z adalah:

tan⁻¹(4/3)

tan⁻¹(3/4)

π/3

π/4

π/2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika z1=3+4i dan z2=1-2i, maka z1+z2 adalah:

2+6i

4+2i

4+6i

3+2i

2+4i

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika z=6i, maka bentuk polar dari z adalah:

6(cos0+i sin0)

6(cos(π/2)+i sin(π/2))

6(cosπ+i sinπ)

6(cos(3π/2)+i sin(3π/2))

6(cos(π/4)+i sin(π/4))

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika z=r(cosθ+i sinθ) adalah bentuk polar dari bilangan kompleks, maka bentuk eksponensial dari z adalah:

re^(iθ)

r cosθ+r sinθ

re^(-θ)

r sinθ+i cosθ

r² e^(iθ)

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