§ 1. Ìíîãî÷ëåíû íàä îáëàñòüþ öåëîñòíîñòè
- ¹ 7. Ñ ïîìîùüþ ñõåìû Ãîðíåðà óñòàíîâèòå êðàòíîñòü
- êîðíÿ õ0 = ñ ìíîãî÷ëåíà f(x).
7.01.
f(x) = x5 – 2x4 + 4x3 – 28x2 + 48x – 16, x0 = 2;
7.02.
f(x) = x4 – 2x3
+ 5x2 – 28x + 36, x0 = 2;
7.03.
f(x) = x5 – 3x4 – x3 + 11x2 – 12x + 4, x0 = 1;
7.04.
f(x) = x5 – 6x4
+ 13x3 – 14x2 + 12x – 8, x0 = 2;
7.05.
f(x) = x4 + 8x3
– x2 – 68x – 84, x0 = –2;
7.06.
f(x) = x5 – 6x4
+ 13x3 – 14x2 + 12x – 8, x0 = 2;
7.07.
f(x) = x4 – 2x3 + 2x2 – 2x + 1, x0
= 1;
7.08.
f(x) = x5 – 6x4
+ 11x3 – 2x2 – 12x + 8, x0 = 2;
7.09.
f(x) = x5 – 8x4 + 21x3 – 27x2 + 54x – 81, x0 = 3;
7. 10.
f(x) = x5 – 6x4
+ 13x3 – 14x2 + 12x – 8, x0 = 2;
7.11.
f(x) = x6 – 4x5
– 8x4 + 62x2 + 96x – 72, x0 = 2;
7.12.
f(x) = x5 + 4x4
+ 7x3 + 7x2 + 4x + 1, x0 = –1;
7.13.
f(x) = 2x5 – 4x4
+ x3 + x2
– 1, x0 = 1;
7.14.
f(x) = 3x6 – 19x5
+ 33x4 + 23x3 – 130x2 – 132x – 40, x0
= 2;
7.15.
f(x) = x6 + 6x5
– 21x4 + 7x3 – x2 + 8 , x0 = 2;
7.16.
f(x) = x6 – 6x5
+ 12x4 – 5x3 – 18x2 + 36x – 24, x0
= 2;
7.17.
f(x) = 3x6 – 5x5
+ 3x4 – 7x3 + 2x2 + 10x – 6, x0 =
1;
7.18.
f(x) = –x6 + 6x5
– 12x4 + 5x3 + 18x2 – 36x + 24, x0
= 2;
7.19.
f(x) = x6 – 9x5
+ 27x4 – 39x3 + 108x2 – 32x + 324, x0
= 3;
7.20.
f(x) = x6 – 5x5
+ 5x4 + 6x3 + 4x2 – 40x + 32, x0 =
2;
7.21.
f(x) = 2x6 – 20x5
+ 66x4 – 67x3 + 9x2 – 189x + 351, x0
= 3;
7.22.
f(x) = x5 – 17x4
+ 94x3 – 190x2 + 161x – 49, x0 = 1;
7.23.
f(x) = x6 – 2x5
+ 3x4 – 5x3 – 12x2 + 2x – 1, x0 =
2;
7.24.
f(x) = x6 – 6x5
+ 12x4 – 5x3 – 18x2 + 36x – 24, x0
= 2;
7.25.
f(x) = –3x6 + 4x5
+ 3x4 + x3 + 2x2 – 4x + 8, x0 = 2;
7.26.
f(x) = x6 – 14x5
+ 72x4 – 188x3 + 464x2 – 1344x + 1792, x0
= 4;
7.27.
f(x) = x6 + 3x5
+ 3x4 – x3 – 6x2 – 6x – 2, x0 = –1;
7.28.
f(x) = x5 – 3x4
+ 4x3 – 4x2 + 3x – 1, x0 = 1;
7.29.
f(x) = –x5 + 2x4 – 3x3 + x2 + 4x – 3, x0 = 1;
7.30.
f(x) = 2x5 – 6x4
+ 7x3 – 5x2 + 3x – 1, x0 = 1;
7.31.
f(x) = x6 – 2x4
+ x3 – 4x2 – 8x + 4, x0 = 1;
7.32.
f(x) = x5 – 12x4 + 49x3 – 76x2 + 48x – 64, x0 =
4;
7.33.
f(x) = x5 – 6x4
+ 11x3 – 2x2 – 12x + 8, x0 = 2;
7.34.
f(x) = 4x5 + 12x4
+ x3 + 6x2 + 10x + 3, ;
7.35.
f(x) = 3x5 – 18x4
+ 41x3 – 54x2 + 60x – 40, x0 = 2;
7.36.
f(x) = x5 – 6x4
+ 13x3 – 14x2 + 12x – 8, x0 = 2.
\.Ïðèìåð.\
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