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kari74 [83]
4 years ago
14

Operations with Complex NumbersSimplify.1) 1 + 6i3) 3i + i5) -1 – 8i- 4 - i​

Mathematics
1 answer:
kogti [31]4 years ago
7 0
1. The answer is already in its simplest form.
3. 3i + i is equal to 4i.
5. Combining like terms results in -5 - 9i.
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Learning task 2
evablogger [386]

Step-by-step explanation:

Row 1

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4 0
3 years ago
Find two numbers, if Their sum is −7 and their difference is 14
Mademuasel [1]
Let
a------------> first number
b------------> second number

we know that
a+b=-7--------> a=-7-b----------> equation 1
a-b=14--------> equation 2

<span>I substitute 1  in 2
</span>
(-7-b)-b=14-------------> -7-b-b=14----------> -7-2b=14-------> 2b=-7-14
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the answer is
the two numbers are 
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and
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6 0
4 years ago
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