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Bess [88]
3 years ago
9

Please answer correctly ! Will mark brainliest !!!

Mathematics
1 answer:
raketka [301]3 years ago
3 0

Answer:

D

Step-by-step explanation:

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Complex numbers zj and zz are given by zj = 3- j2, zz = - 4 + j3. (a) express zj and zz in polar form. (b) find lz1l by first ap
inna [77]

Solution:

Given: zj = 3- j2, zz = - 4 + j3

Part a:

zj = 3- j2 = 3.6e^{-j33.7^{\circ}}

zz = - 4 + j3 = 5e^{j143.1^{\circ}}

Part b:

|zj| = |3− j2| =  √3² +(−2)² = √13 = 3.60

|z1| =  √(3− j2)(3+ j2) = √ 13 = 3.60.

Part c:

With the help of part a:

z1z2 = 3.6e^{-j33.7^{\circ}}.5e^{j143.1^{\circ}}

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the scale factor is 2

Step-by-step explanation:

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Thepotemich [5.8K]

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Step-by-step explanation:

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3 years ago
Can someone help me with these 3 questions. Sorry for the annoyance.
erastova [34]

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What is the coefficient in 3x + 9 - 15
iVinArrow [24]

。☆✼★ ━━━━━━━━━━━━━━  ☾

The coefficient is the number before the x

In this case, it is 3

Have A Nice Day ❤

Stay Brainly! ヅ

- Ally ✧

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