Logaritmos
1) [pic]
[pic] cancelando los logaritmos tenemos.
[pic]
[pic]
[pic]
[pic]
[pic]
[pic]
[pic][pic] [pic][pic]
2) [pic]
[pic]
[pic]
[pic]
[pic][pic]
[pic]
[pic]
[pic]
[pic] [pic][pic] [pic][pic]
[pic] [pic] [pic] [pic] [pic] [pic] y [pic]
3) [pic] Se tiene quemultiplicar por [pic]
[pic][pic][pic][pic]
[pic] [pic]
[pic]
[pic]
[pic]
[pic] /[pic]
[pic]
Sea [pic] [pic] [pic] hay que resolver la ecuacióncuadrática en y
[pic] [pic]
[pic] y [pic] Luego como [pic]
Tenemos que [pic] y [pic]
[pic] y [pic]Encontrando que:
[pic] y [pic]
4) [pic]
[pic]
[pic]
[pic]
[pic]
[pic]
[pic] [pic] [pic]
5) [pic]
[pic][pic]
[pic]
[pic]
[pic] [pic] [pic]
6) [pic]
[pic]
[pic]
[pic]
[pic]
[pic] [pic] [pic]
Ahora hay que resolver la ecuación cuadrática encontrada, entoncestenemos
[pic] de donde
[pic] y [pic]
7) [pic]
[pic]
[pic]
[pic] Se eleva todo al cuadrado para eliminar la raíz
[pic]
[pic]
[pic]
8) [pic][pic]
[pic]
[pic]
[pic]
[pic]
[pic]
9) [pic]
[pic]
[pic] simplificando se obtiene
[pic] elevando a ambos lados al cuadrado queda
[pic]
[pic]
[pic]
=[pic] obteniendo para x
[pic] y [pic]
10) [pic]
[pic]
[pic]
[pic]
[pic]
[pic]
[pic][pic] [pic]
11) [pic]
[pic]
[pic]
[pic]
[pic]
[pic]
[pic]
[pic]
[pic]
[pic] donde
[pic] y [pic]
12) [pic]...
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