29.06.2013 Views

MaTEX Logaritm os Logaritmos - Amolasmates

MaTEX Logaritm os Logaritmos - Amolasmates

MaTEX Logaritm os Logaritmos - Amolasmates

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

Soluciones a l<strong>os</strong> Ejercici<strong>os</strong> 50<br />

Ejercicio 9(d) Agrupam<strong>os</strong> y eliminam<strong>os</strong> logaritm<strong>os</strong> en la ambas ecuaciones:<br />

2 log x − 3 log y = 7<br />

log x + log y = 1<br />

⎫<br />

⎬<br />

⎭<br />

=⇒<br />

log x2<br />

y 3<br />

= log 107<br />

log x y = log 10<br />

x 2<br />

y 3<br />

= 107<br />

x y = 10<br />

y = 10/x =⇒ x2 x 3<br />

x 5 = 10 10 =⇒x = 10 2<br />

⎫<br />

⎪⎬<br />

⎪⎭<br />

= 107<br />

103 y = 1<br />

10<br />

⎫<br />

⎪⎬<br />

⎪⎭<br />

Por sustitución<br />

resolviendo<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 />

◭◭ ◮◮<br />

◭ ◮<br />

◭ Doc Doc ◮<br />

Volver Cerrar

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!