∫x(1-x^2)½dx完整步骤,

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∫x(1-x^2)½dx完整步骤,
∫x(1-x^2)½dx完整步骤,

∫x(1-x^2)½dx完整步骤,
∫x(1-x^2)^(1/2) dx
=0.5 *∫(1-x^2)^(1/2) d(x^2)
= -0.5 *∫(1-x^2)^(1/2) d(1-x^2)
= -0.5 *2/3 *(1-x^2)^(3/2) +C
= -1/3 *(1-x^2)^(3/2) +C,C为常数