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Matteo Lombardo
Matteo Lombardo asked in Matematica e scienzeMatematica · 9 years ago

mi risolvete questa semplice equazione fratta?!?

1 fratto x^2-3x+2 +2fratto x-1 =0

1 Answer

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  • Zargi
    Lv 7
    9 years ago
    Favorite Answer

    1/(x² -3x +2) +2/(x-1)=0 ---> scomponendo la prima frazione

    1/[(x-1)(x-2) ] +2/(x-1) =0

    C.E.

    x-1 #0 ---> x# 1

    x-2 #0 ---> x# 2

    m.c.m. (x-1)(x-2) ---->

    1/[(x-1)(x-2) ] +2/(x-1) =0 --->

    1 +2(x-2)=0 --->

    1 +2x -4 =0 --->

    2x = 4-1 ---> 2x =3 --->

    x=3/2 (accettabile)

    Ciaooo

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