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boyakko [2]
3 years ago
6

4-3i divided by its conjugate

Mathematics
1 answer:
alina1380 [7]3 years ago
5 0
Answer:

Step-by-step explanation:
1. You have the following division:
(As you can see, to find the conjugate of 4-3i you must change the sign between the terms).
2. To solve this division, you must multiply the numerator and the denominator by the conjugate of the denominator, as following:

3. Keeping on mind that , you have:

4. Simplifying:

5. The result is:
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Answer:

(See explanation for further details).

Step-by-step explanation:

The sign does not affect the domain, as second-order polynomials are continuous functions. Nonetheless, the sign affect the range of function in the sense that elements can be lesser and equal to zero (a < 0) or greater and equal to zero (a > 0).

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The area of a rectangular book cover is 4x2 - 6x-40. The width of the book
Vinil7 [7]

Step-by-step explanation:

4x^2-6x-40

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3 years ago
Crystal wants to add the fractions 1/16 and 3/18 what is the lowest common denominator of the two fractions?
zhenek [66]

Answer:

288

Step-by-step explanation:

First, simplify the fraction 3/18 to 1/6, this will help a lot. Then, you just, find the LCM, and you can list out the mutliples to help you

6, 12, 18, 24, 39, 36, 42, 48, 54, 60

16, 32, 48, 64, 80

It would be easiest to do 48

But that's not exactly what the question is asking

It's asking the LCM of 1/16 and 3/18

I wanted to show you the other way so you would be able to think of it in a different way which would be easier

You would just list out the multiples again.  

18, 36, 54, 72, 90, 108, 126, 135, 153, 171, 189

16, 32, 48, 64, 80, 96, 112, 130, 146, 162, 178, 194

Ok, I give up on that

Let's just do 16*18 which is 288.

288 is your LCM

Sometimes multiplying is easier and other times listing it out is easier.

I hope this helped

Let me know if you have any questions

4 0
3 years ago
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