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MaTEX Logaritm os Logaritmos - Amolasmates

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Soluciones a l<strong>os</strong> Ejercici<strong>os</strong> 42<br />

Ejercicio 8(h)<br />

2 log x − log(x + 6) =1<br />

2 log x − log(x + 6) = log 10<br />

log x2<br />

= log 10<br />

x + 6<br />

x2 x + 6 =10<br />

x 2 =10x + 60<br />

x 2 − 10x − 60 = 0 =⇒ x = 10 + √ 340<br />

2<br />

<br />

MATEMATICAS<br />

1º Bachillerato<br />

A<br />

d<br />

B<br />

s = B + m v<br />

r = A + l u<br />

SOCIALES<br />

<strong>MaTEX</strong><br />

<strong>Logaritm</strong><strong>os</strong><br />

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