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kobz
27.03.2021 •
Mathematics
Solve the equation for x. Show your work.
log4 x + log4 8 = 2
The 4’s are little 4’s
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Ответ:
x=2
Step-by-step explanation:
To convert log into power then you just ask yourself what makes that number in the bottom = the number between bracketsExample: here
so to make sure: try ![4^{\frac{3}{2} }=8](/tpl/images/2255/5607/826b1.png)
so
subtract
from both sides
Now lets say![4^{\frac{1}{2} }=2](/tpl/images/2255/5607/afc17.png)
So that means that we already got the power and the number 4
(note:
is the same as
)
Ответ: