Mathematics
Senior High
9番と12番わからないので解き方教えてもらえませんか？
問 3.10 次の定積分の値を求めよ.
1
(1) √ (2x² + 4) da
2 1
(2) / 2²+¹ dr
dx
X
(4) [*(1 + a²)² da
dx
(7) f √3x + 1 dx
π
(10) * (cosz+sin a)³ dr (11) cos²¹ z dr
da
x dx
(6) [*
(8)
sin 2x dx
Lo
(3) St
(⑥6) S
(e² +e-³)² da (9)
(12)
dx
1
x + 1
(2x - 1)4¹ da
* sin²
dx
x dx
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