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jj1077348
04.03.2020 •
Mathematics
Select all the complex numbers in the given table
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Ответ:
The complex number from the table are
Solution:
Let us solve and identify the complex number.
(A)![5-\sqrt{\frac{9}{4}}](/tpl/images/0533/8534/f6b27.png)
= 3.5
This is not a complex number.
(B)![1+\sqrt{-3}](/tpl/images/0533/8534/ecb14.png)
We know that
.
This is a complex number.
(C)![4-3 \sqrt{-16}](/tpl/images/0533/8534/12c23.png)
We know that
.
This is a complex number.
(D)![\frac{2-\sqrt{12}}{5}](/tpl/images/0533/8534/737be.png)
There is no –1 in the root.
This is not a complex number.
(E)![\frac{3+2 \sqrt{-9}}{7}](/tpl/images/0533/8534/03239.png)
We know that
.
This is a complex number.
(F)![9 \sqrt{-\frac{7}{5}}](/tpl/images/0533/8534/35cc6.png)
We know that
.
This is a complex number.
Hence the complex number from the table are
Ответ:
b for the first one, d for the second one
Step-by-step explanation: