Mathematics
Senior High
二枚目の赤線のとこがなぜそうなるかが参考を見ても分かりませんでした。誰か教えてくださいよ🙏🙏🙏🙏🙏
* (2) S²³₂ (x
S³₂
・3
(x+1)(x+2)(x+3) dx >02
12
参考
0以上の整数のとき
n
2n
2n
[²_x²n + ¹dx == 0₁ [²₂x²" dx = 25° x² dx
a
a
(2) (与式)
605
S
√(x³ + 6x² + 11x + 6) dx
3
25° (6x² + 6)dx=125° (x² + 1)dx
2
0
13
= 12 -5 +1] =
3
15
43
+x=12{(9+3)-0}=144
F
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