3 years ago

I need the answers ASAP

Mathematics

1 answer:

7nadin3 [17]3 years ago

5 0

Answer:

Image attached

Step-by-step explanation:

Just wandering, no hate, you can post answers on brainly but can't read an analog clock.

BTW I've got one in my house

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<img src="https://tex.z-dn.net/?f=5%5E%7B1%2Blog_4x%7D%2B5%5E%7Blog_%7B0.25%7Dx-1%7D%3D%5Cfrac%7B26%7D%7B5%7D" id="TexFormula1"

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$\displaystyle 5^{1+\log_4 x}+5^{-\log_4x-1} = \frac{26}{5}\\ \\
\text{Sea } z=5^{1+\log_4 x} \text{ entonces}: \\ \\
z+\frac{1}{z}=\frac{26}{5}\\ \\
5z^2-26z+5=0 \\ \\
(5z-1)(z-5)=0 \\ \\
z\in\left\{\frac{1}{5};5\right\}\\ \\
\text{Then: }\\ \\
5^{1+\log_4x}=5^{-1} \vee 5^{1+\log_4x}=5\\ \\
1+\log_4x=-1 \vee 1+\log_4x=1\\ \\
\log_4x =-2 \vee \log_4x=0 \\ \\
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$

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Step-by-step explanation:

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