作业帮求积分,∫X^2/(X^2+1)dX.
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求积分,∫X^2/(X^2+1)dX.
求积分,∫X^2/(X^2+1)dX.
求积分,∫X^2/(X^2+1)dX.
∫X^2/(X^2+1)dX
∫(1-1/(X^2+1))dX
=X-arctanX+C
∫X^2/(X^2+1)dX=∫X^2+1-1/(X^2+1)dX=∫1-1/(X^2+1)dX=x-1/2∫1/(X^2+1)d2X-1=x-in(2x-1)+c
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