Mathematics
Senior High
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どなたか解き方を教えていただけませんか?

積分

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✨ Best Answer ✨

x^3-ax=x(x^2-a^2)

x軸との交点は−a,0,a

(1)x^3−a^2x≦0だから
∫(−x^3+a^2x)dx (0〜1/2で積分)
[−x^4/4+a^2x^2/2]=(8a^2−1)/64
=(1/8)a^2−(1/64)

(2) [-x^4/4+a^2x2/2](x=0→a)+[x^4/4-a^2x^2/2](x=a→1/2)
ここは計算問題なので自力でお願いします…

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