Mathematics
Senior High
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積分 積分定数です
画像の下線部を、C3、C4と新しく積分定数を置くことなくC1+C2/2と答えたのですが、それでも大丈夫ですか?
C2
C₁+C=C3.
2
I=
1
C2-C1
=C, とおいて
2
e¯* (sinx+cosx) +C3
(C3, C4 は積分定数)
=-½ze (sin x + co
2
J=e(sinx-cosx) C4
-re-(sinx - cost) tC.
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