[微積] C*是什麼意思
題目: dy
求 __ =3x^2(y+2),y(0)=8之解
dx
解: 原式分離變數可得 dy
_____=(3x^2)dx
(y+2)
左右同時積分再利用ln之反函數e可得
e^(ln|y+2|)=e^(x^3+C) =>e^C * e^(x^3)
=>C* *e(x^3)
~~~
我想請問這個C*應該是代表e的C次方
為什麼要這樣寫 怎麼不寫e^C就好 @@?
他又該怎麼念?
感謝解答
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