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chrisboykashifre1999
27.07.2021 •
Mathematics
Drag the tiles to the correct boxes to complete the pairs. Match each subtraction of complex numbers to its simplified difference.
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Ответ:
Here are the complex numbers with their simplified differences
(7 -3i) - (6 - 4i) = 1 + i
(4 + 3i) - (6 +2i) = -2 - i
(4 + 5i) - (3 - 4i) = 1 + 9i
(5 + 4i) - (9 + i) = -4 + 3i
A complex number is when a real number and an imaginary number are added together
Complex numbers are usually in the form : a + bi
where a and b are real numbers and i is an imaginary number
for example, in this imaginary number : (7 -3i)
7 and 3 are real numbers while i is the imaginary number
In order to simplify these set of complex numbers, remember that when there is a bracket in mathematics it signifies multiplication.
Here are the set of rules that guide multiplication :
when a negative value is multiplied by a positive value, the value becomes a negative value
For example, -1 x 1 = -1
when a positive value is multiplied by a positive value, the value remains a positive value
For example, 1 x 1 = 1
when a negative value is multiplied by a negative value, the value becomes a negative value
For example,-1 x -1 = 1
Using the above information, the complex numbers can now be simplified
1. (7 -3i) - (6 - 4i)
this above equation becomes :
7 - 3i - 6 + 4i
add like terms together
7 - 6 - 3i + 4i = 1 + i
2. (4 + 3i) - (6 +2i)
this above equation becomes :
4 + 3i - 6 - 2i
add like terms together
4 - 6 +3i - 2i = -2 - i
3. (4 + 5i) - (3 - 4i)
this above equation becomes :
4 + 5i - 3 + 4i
add like terms together
4 - 3 + 5i + 4i = 1 + 9i
4. (5 + 4i) - (9 + i)
this above equation becomes :
5 + 4i -9 -i
add like terms together
5 -9 + 4i - i = -4 + 3i
In order to solve for complex numbers remember that a bracket in mathematics means that a multiplication operation should be carried out. Also, pay cognisance to the rules guiding the multiplication of negative and positive numbers
Here is a similar question and answer on how to solve for complex numbers :
Ответ:
answer: hello friend: p