Question

sa

どこが違いますか

X²
x² (
X =
181
625,
141 5²₁ | 22²-2-11 dz
= 5= ² ( 2x² - x - 1) dx + √²/2² ( - 2x² + x + 1) dx
+ S₁ (2x²-x-1) dx
2
= [ ²3 x ² = ²^² - x ] - + + [ - ²3 x ²³ + 2 = ² + x ] ² + +
[ 3x²³-2²-x] i
24
8
= { (-— -— -₁ - + + + + - ) - ( -_- — — — — 2 + 1 ) } +
1/2)-(-/-/1/2+1)}+
[(-²+ + +1)-(
{(1/12-2-2)-(1/3/3-1/2-1)}
+ - + ) ] +
8
2
(2
= (- + - + + + + + + + -1 ) + ( - 3² ² + ²/²
+1-1/12-1/2+1/2)+(1-2-2-
(1)
2
3
- (- ² - 2 + f-
=
24
24
16
=
16
=
1/4-
-
24
= - 44+52
16
36
24
q
6
3
+/-2/4)+
(2
24
(-1/4+1/4+3/4-23-2²4 + 1/2/²) +
(²2/2² - 1² - 1² - 4 + 1 + 7 )
32
12 12
3
6
t
22/2/4 + 1/3/2
27
6
2
t
24
16
24
2
3.
+ +

"x
= -1/12/3+1/12/2+2x+1/13
- 31
(4) |2x2x-1|=(x-1)2x+1)
x≦-1/23 1≦xのとき
|2x2x-1|
=2x2x1
12/2xl のとき
|2x2x-1|
=-(2x2-x-1)
=-2x2+x+1
1435-S²(2x²-x-1)\dx
-you
15
012
+S'₂ (−2x²+x+1)dx+S²(2x²-x−1)dx

Answer 1

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ありくい

下から5行目の-27/24ではなく+27/24だと思います