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arlik [135]
3 years ago
7

Determine the domain of the relation. {(2,3), (9,9), (19,15)} The domain is { }

Mathematics
1 answer:
yarga [219]3 years ago
5 0

domain={2,9,19}............................

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What is the most precise name for a quadrilateral with the following vertices:
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<em>Parallelogram</em>

Step-by-step explanation:

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(2 + i)(3 - i)(1 + 2i)(1 - i)(3 + i)
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Answer:

<h2>50+50i</h2>

Step-by-step explanation:

Given the expression (2 + i)(3 - i)(1 + 2i)(1 - i)(3 + i), we are to take the product of all the complex values. We must note that i² = -1.

Rearranging the expression [(3 - i)(3 + i)] [(2 + i)(1 - i)](1 + 2i)

On expansion

(3 - i)(3 + i)

=  9+3i-3i-i²

= 9-(-1)

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For the expression (2 + i)(1 - i), we have;

(2 + i)(1 - i)

= 2-2i+i-i²

= 2-i+1

= 3-i

Multiplying 3-i with the last expression (1 + 2i)

(2 + i)(1 - i)(1 + 2i)

= (3-i)(1+2i)

= 3+6i-i-2i²

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Finally,  [(3 - i)(3 + i)] [(2 + i)(1 - i)(1 + 2i)]

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