\[\boxed{\mathbf{318}.}\]
\[1)\ x^{4} - 3x^{3} - 8x^{2} + 12x +\]
\[+ 16 = 0\]
\[Делители:\ \pm 1;\ \pm 2;\ \pm 4;\ \pm 8;\]
\[\ \pm 16.\]
\[1\] | \[- 3\] | \[- 8\] | \[12\] | \[16\] | |
---|---|---|---|---|---|
\[- 1\] | \[1\] | \[- 4\] | \[- 4\] | \[16\] | \[0\] |
\[4\] | \[1\] | \[0\] | \[- 4\] | \[0\] |
\[P(x) =\]
\[= (x + 1)(x - 4)\left( x^{2} - 4 \right) =\]
\[= (x + 1)(x - 4)(x - 2)(x + 2) = 0.\]
\[Ответ:x = - 2;\ - 1;2;4.\]
\[2)\ x^{4} - 3x^{2} + x^{2} + 3x - 2 = 0\]
\[Делители:\ \pm 1;\ \pm 2.\]
\[1\] | \[- 3\] | \[1\] | \[3\] | \[- 2\] | |
---|---|---|---|---|---|
\[1\] | \[1\] | \[- 2\] | \[- 1\] | \[2\] | \[0\] |
\[2\] | \[1\] | \[0\] | \[- 1\] | \[0\] |
\[P(x) = (x - 1)(x - 2)\left( x^{2} - 1 \right) =\]
\[= (x - 1)(x - 2)(x - 1)(x + 1) = 0.\]
\[Ответ:x = - 1;1;2.\]