Mathematics
Senior High
不定積分を求める問題です❕cの分母が何故bと同じでなく二乗になるのか教えて頂きたいです🙇♀️
(4)
x
(x-2)(x-1)²
+
C
92-1 (x-1)²
+
X-2
x² = a (x+1²+ b(x-₂)(x+₁) + C (x-₂)
x=1を代入すると、
1=-C,C=-1
x=2を代入すると,4=a
x=0を代入すると,o=a+2b-2C, b=-3
(52)=√(x²=₂2-2²-(x²-2²} dx = 4 Jog|2=2/-390g|x-1| + x² ++C
(式)=1
X-1
= log | (22) = | +3/4+C
(x-1) ³
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