a chair costs rupees 250 and a table costs rupees 400 . If housewife purchased a certain number of chair and two tables fo rupee
2 answers:
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1)
2)
-10b = 3b - 13b
2)
-10b = 3b - 13b
Answer:
The description of the set is .
Step-by-step explanation:
From Complex Analysis, we remember that complex numbers are numbers whose form is:
,
(1)
Where .
In addition, the distance from the origin is defined by the following Pythagorean identity:
(2)
The following condition must be satisfied:
Then, the set of all complex numbers that are at a distance of 2 units from the origin is described below:
(3)