сократите дробь
а)[tex] \frac{15-5y}{q-y{2} }[/tex]
б) [tex] \frac{m^{2}-4mn+4n^{2} }{m^2-4n^2} [/tex]
а)[tex] \frac{15-5y}{q-y{2} }[/tex]
б) [tex] \frac{m^{2}-4mn+4n^{2} }{m^2-4n^2} [/tex]
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Answers & Comments
b)(mˇ2-4mn+4nˇ2)/(mˇ2-4nˇ2)=
=(m-2n)(m-2n)/(m+2n)(m-2n)=(m-2n)/(m+2n)