→ playmate:謝謝.... 推 61.217.205.253 03/21
※ 引述《playmate (talkmate)》之銘言:
: f(x)=4x^3 - 3x^2 ∫f(x)dx
: (積分範圍從 0 到 1)
: 求f(x)=?
: ANS.... f(x)=4x^3 - (3/2)x^2
: 請問前輩該怎麼做?thanks
1 1 1
S f(x)dx = S {4x^3 - 3x^2 (S f(x)dx)} dx
0 0 0
^^^^^^^^常數=C ^^^^^^^^^ 常數=C
=> C = 1 - (1)C
=> C=1/2
then f(x)=4x^3-(3/2)x^2
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