Mathematics
Senior High
高次方程式の余りが分数になる時の特徴とかありますか??
86 次の式を因数分解せよ。
(1)* x-x³-x²-x-2
(3) 2x³+x²+x−1
A
(2) x² + x³x² - 4x - 12
(4)* 12x³8x²-13x-3
(3) P(x)=2x3 + x2 + x-1 とおく。
ALDRIG
2₁
1
P ( ²1² ) = 2 · ( ²2 ) ² + ( 1² ) ² + + ²/2 -
2
であるから, P(x) は2x-1 を因数にも
∞つ。
x2+x+1
2x−1) 2x³ + x² + x−1
2x3.
2-²
2x2+x
2x2
OTUR
ような
—
()O(S+ xC
+(x)0(1-
-
x
(土) (188
(9
*
&&&
2x-1
2x-1
-1=0
0
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