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22.06.2019 •
Mathematics
How do i simply this radical expression?
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Ответ:
Step-by-step explanation:
To simplify that expression, first we need to find the largest common of the expression inside the radical, in this case: 2.200.000.
We know that 2.200.000 = 2 · 2 · 2 · 2 · 2 · 2 · 5 · 5 · 5 · 5 · 5 · 11 =
×
× ![11](/tpl/images/0002/1326/07c6c.png)
Now,
.
Now we have:![\frac{2000±200\sqrt{55}}{2}](/tpl/images/0002/1326/74c46.png)
Dividing by 2:![1000±100\sqrt{55}](/tpl/images/0002/1326/9c7bf.png)
So the simplified expression is:![1000±100\sqrt{55}](/tpl/images/0002/1326/9c7bf.png)
Ответ:
z = 9
Step-by-step explanation: