Mathematics
Senior High
定積分です！どうしてXの範囲がこの範囲になるのですか？
(2) x²-a²\dx (0<a≤1)
0
X
3
1
--2(3-1)+(3-2)=-3+8=2
x²-a² (a≤x≤1)
(2) |x²—a²|:
(0<a≤1)
-(x²-a²) (0≤x≤a)
x²-a²\dr
ra
=-f² (x²-a²³)dx + f'(x²-a²)dx
a 1
=
a²x +
a²x
a
==
10
−−2 ( ³±³å³²¯àª³) + ( ³±³ − a²) — — — a²¯a²+
y=aのグラフ
YA
y=x²-a²
y=-(x²-a²) a²
a 1 x
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