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gii17
@gii17
July 2022
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Варан
4/7х=3 3/7
х=24/7*7/4
х=6
-2/9х=1 1/9
х=10/9*(-9/2)
х=-5
D=(-17)²-4*1*72=1 ⇒корней будет 2
х1=17+√1/2=9 х2=17-√1/2=8 меньший х=8
4х²+28х+49=4х²-4х+1
4х²-4х²+32х=-48
32х=-48
х=-1,5
х²-12х+36+24х=0
х²+12х+36=0
D=12²-4*1*36=0 ⇒корень один
х1=х2=-12+√0/2=-6 х1=х2=-6
х²+9-х²-18х-81=0
-18х=72
х=-4
1/3х²=49/3
х²=49/3*3/1
х²=49
х1=7 х2=-7 наименьший х=-7
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Answers & Comments
х=24/7*7/4
х=6
-2/9х=1 1/9
х=10/9*(-9/2)
х=-5
D=(-17)²-4*1*72=1 ⇒корней будет 2
х1=17+√1/2=9 х2=17-√1/2=8 меньший х=8
4х²+28х+49=4х²-4х+1
4х²-4х²+32х=-48
32х=-48
х=-1,5
х²-12х+36+24х=0
х²+12х+36=0
D=12²-4*1*36=0 ⇒корень один
х1=х2=-12+√0/2=-6 х1=х2=-6
х²+9-х²-18х-81=0
-18х=72
х=-4
1/3х²=49/3
х²=49/3*3/1
х²=49
х1=7 х2=-7 наименьший х=-7