Mathematics
Senior High
Resolved
写真3枚目のように展開して解こうとすると正しい答えが出ないのは何故ですか?
400 次の不定積分を求めよ。
(1) ∫(x-4x+1)(x-2)dx
399 (1) 2+1 = t とおくと, x =
であるから
dx
=
dt
ゆえに
Bol
11/12(1-1)
8-x (1) 000
xb. (1+x==(t²-t³) dt
=
=
=
x= xniz
1
2
S
x (2x + 1)³ dx
-
= √2/1/2(t-1). 1³. 1/1/7 dt
2
1 / (+1/2/²0 - 11/27 1² ) + C
t5
+C
5
1
(4t-5) t+C.
80
1
{4(2x+1)-5}(2x+1)+C
80g
1
(S)
(8x-1)(2x+1)+ + C
80
399(1x(2x+1)=x(8μ'+12x+6x+1)=8x+2x+6x+x
12
+6
$ 2³² = 8 √ x ² α x + 1² √ x ²d x + 6 √ zºdx + fxdz.
5/5x5+3x++2x+2/+C=x2(x+3x+2x+1/2)+c
8
((
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