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Jet001 [13]
3 years ago
12

Multiplying two complex numbers involves ______.

Mathematics
2 answers:
Alenkasestr [34]3 years ago
8 0

Answer:

Multiplying a complex number by a real number

(x + yi) u = xu + yu i. In other words, you just multiply both parts of the complex number by the real number. For example, 2 times 3 + i is just 6 + 2i. Geometrically, when you double a complex number, just double the distance from the origin, 0.

binomial methods

Complex numbers use binomial methods of multiplication because unlike real numbers, imaginary numbers have two components.

So probably A. I sorry, but I need more information. Hope this helps

Step-by-step explanation:

makvit [3.9K]3 years ago
6 0

I just took the test and the answer that was right was d. scaling and rotation

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Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of
Alinara [238K]

Answer:

So, the simplified version is

-5\sqrt{7}+7\sqrt{6}

In words it can be written as minus 5 square root of 7 end root plus 7 square root of 6 end root

Step-by-step explanation:

5\sqrt{7}+12\sqrt{6}-10\sqrt{7}-5\sqrt{6}

We need to simplify the above expression.

Combining the like terms of the above expression.

Like terms are those that have same variables.

=(5\sqrt{7}-10\sqrt{7})+(12\sqrt{6}-5\sqrt{6})

=((5-10)(\sqrt{7})+((12-5)(\sqrt{6}))

=((-5)(\sqrt{7})+((7)(\sqrt{6}))

So, the simplified version is

-5\sqrt{7}+7\sqrt{6}

In words it can be written as minus 5 square root of 7 end root plus 7 square root of 6

5 0
3 years ago
Consider the two functions. Which statement is true?
sladkih [1.3K]

I believe it's C. Mainly answering so you can give out Brainliest, good luck on your test.

7 0
4 years ago
Please help I will give as much points as I can and brainliest
lubasha [3.4K]
You would times 2/15 by 3. Then getting 6/15, simplify the fraction by dividing both numbers by 3. You would finally get 2/5 which is C. Hope this helps!
8 0
3 years ago
Which number correctly completes the equation
Maslowich

Answer: D. 8

Step-by-step explanation:

When dividing like variables or constants with differing exponents, you can simply subtract the exponents.

Hope it helps :)

3 0
3 years ago
How do you solve this problem?
kykrilka [37]
You can multiply 8 times 9 to get 72 and then move the decimal over to the right to get the answer of 7.2
5 0
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