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Scrieti sub forma de raport algebric ireductibil:
[tex] \frac{ a^{2}-4a+4 }{b+ b^{3} } [/tex]:[tex] \frac{2-a}{ b^{2}+1 } [/tex]
Urgenttttt


Răspuns :

=[(a-2)²/b(b²+1]·(b²+1)/(-1)(a-2)   simplificam cu a-2
=[(a-2)/b(b²+1)]·(-1)(b²+1)   simplificam cu b²+1
=-(a-2)/b