求不定積分,分子爲dx,分母爲x平方+2x+2,
題目:
求不定積分,分子爲dx,分母爲x平方+2x+2,
如題
解答:
∫ 1 / (x² + 2 x + 2) dx
=∫ 1 / [(x + 1)² + 1] dx
=∫ 1 / [(x + 1)² + 1] d(x + 1)
=arctan(x + 1) + C
題目:
求不定積分,分子爲dx,分母爲x平方+2x+2,
如題
解答:
∫ 1 / (x² + 2 x + 2) dx
=∫ 1 / [(x + 1)² + 1] dx
=∫ 1 / [(x + 1)² + 1] d(x + 1)
=arctan(x + 1) + C
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