Mathematics
Senior High
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数3 第n次導関数について。
どこの計算が間違えていますか?
11-28. 日
ずー 6c05X-9cos%
-6Sinx f-9:3 (cos%)(cosx)}
-6sinx 3-
-65inx {'27 (1-sin'x)(sinx)}
ニ-65iux (27- siu'x)
ニ-6Sinx- 27sin3
ニ
27(cos'x)(-sinx
11
Ty"=-6sinx+27cos?xsin x
= -6sin x +27 (1- sin?x)sin x
=21sin x-27sin°x
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