Решение уравнений
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Главная 7 класс 8 класс 9 класс 10-11класс


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x5 + 7 x4 + 16 x3 + 8 x2 -16 x1 -16



???????? ????????? ?? ????????? ???????? ????? ???????:

17168-16-16
111*1+7 = 81*8+16 = 241*24+8 = 321*32+-16 = 161*16+-16 = 0


18243216
111*1+8 = 91*9+24 = 331*33+32 = 651*65+16 = 81
-11-1*1+8 = 7-1*7+24 = 17-1*17+32 = 15-1*15+16 = 1
16116*1+8 = 2416*24+24 = 40816*408+32 = 656016*6560+16 = 104976
-161-16*1+8 = -8-16*-8+24 = 152-16*152+32 = -2400-16*-2400+16 = 38416
1/1610.0625*1+8 = 8.06250.0625*8.0625+24 = 24.503906250.0625*24.50390625+32 = 33.53149414060.0625*33.5314941406+16 = 18.0957183838
-1/161-0.0625*1+8 = 7.9375-0.0625*7.9375+24 = 23.50390625-0.0625*23.50390625+32 = 30.5310058594-0.0625*30.5310058594+16 = 14.0918121338
2/1610.125*1+8 = 8.1250.125*8.125+24 = 25.0156250.125*25.015625+32 = 35.1269531250.125*35.126953125+16 = 20.3908691406
-2/161-0.125*1+8 = 7.875-0.125*7.875+24 = 23.015625-0.125*23.015625+32 = 29.123046875-0.125*29.123046875+16 = 12.3596191406
8/1610.5*1+8 = 8.50.5*8.5+24 = 28.250.5*28.25+32 = 46.1250.5*46.125+16 = 39.0625
-8/161-0.5*1+8 = 7.5-0.5*7.5+24 = 20.25-0.5*20.25+32 = 21.875-0.5*21.875+16 = 5.0625
4/1610.25*1+8 = 8.250.25*8.25+24 = 26.06250.25*26.0625+32 = 38.5156250.25*38.515625+16 = 25.62890625
-4/161-0.25*1+8 = 7.75-0.25*7.75+24 = 22.0625-0.25*22.0625+32 = 26.484375-0.25*26.484375+16 = 9.37890625
212*1+8 = 102*10+24 = 442*44+32 = 1202*120+16 = 256
-21-2*1+8 = 6-2*6+24 = 12-2*12+32 = 8-2*8+16 = 0


16128
111*1+6 = 71*7+12 = 191*19+8 = 27
-11-1*1+6 = 5-1*5+12 = 7-1*7+8 = 1
818*1+6 = 148*14+12 = 1248*124+8 = 1000
-81-8*1+6 = -2-8*-2+12 = 28-8*28+8 = -216
1/810.125*1+6 = 6.1250.125*6.125+12 = 12.7656250.125*12.765625+8 = 9.595703125
-1/81-0.125*1+6 = 5.875-0.125*5.875+12 = 11.265625-0.125*11.265625+8 = 6.591796875
2/810.25*1+6 = 6.250.25*6.25+12 = 13.56250.25*13.5625+8 = 11.390625
-2/81-0.25*1+6 = 5.75-0.25*5.75+12 = 10.5625-0.25*10.5625+8 = 5.359375
4/810.5*1+6 = 6.50.5*6.5+12 = 15.250.5*15.25+8 = 15.625
-4/81-0.5*1+6 = 5.5-0.5*5.5+12 = 9.25-0.5*9.25+8 = 3.375
212*1+6 = 82*8+12 = 282*28+8 = 64
-21-2*1+6 = 4-2*4+12 = 4-2*4+8 = 0


????? ?????? ?????????? ?????????:
4x2 + 4x + 1= 0
????????????: D = b2 - 4a*c = 42- 4*1*4 = 0
???? D=0 ?? ????????? ????? 1 ??????:
( x -1)( x +2)( x +2)( x +2)( x +2)

Вход 

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