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Log9 (x + 1) + log9 (9x + 9) = 2pd : los 9 son la base?

Log9 (x + 1) + log9 (9x + 9) = 2 pd : los 9 son la base.

0Estrellitatekelo

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IsraelAguirre515

7

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<img src="https://tex.z-dn.net/?f=%5Dlog%20_%7B9%7D%28%28x%2B1%29%289x%2B9%29%29%3D2" />

<img src="https://tex.z-dn.net/?f=log%20_%7B9%7D%20%289%20x%5E%7B2%7D%20%2B18x%2B9%29%3D2" />

<img src="https://tex.z-dn.net/?f=9%20x%5E%7B2%7D%20%2B18x%2B9%3D9%20%5E%7B2%7D%20" />.