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sasha9339
@sasha9339
July 2022
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Сократительной дробь
4х2-5х+1(в числителе)/ х2+5х-6
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ЯгодкаЯлесная
1) D=25-16=9
x₁,₂=(5⁺₋3)/8=1;1/4
4х²-5х+1=4(х-1)(х-1/4)=(х-1)(4х-1)
2) D=25+24=49
x₁,₂=(-5⁺₋7)/2=1;-6
х²+5х-6=(х-1)(х+6)
(4х²-5х+1)/(х²+5х-6)=((х-1)(4х-1))/((х-1)(х+6))=(4х-1)/(х+6)
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Answers & Comments
x₁,₂=(5⁺₋3)/8=1;1/4
4х²-5х+1=4(х-1)(х-1/4)=(х-1)(4х-1)
2) D=25+24=49
x₁,₂=(-5⁺₋7)/2=1;-6
х²+5х-6=(х-1)(х+6)
(4х²-5х+1)/(х²+5х-6)=((х-1)(4х-1))/((х-1)(х+6))=(4х-1)/(х+6)