∫1/t^2(t^2+3)dt

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∫1/t^2(t^2+3)dt∫1/t^2(t^2+3)dt∫1/t^2(t^2+3)dt∫1/t^2(t^2+3)dt=1/3积分:1/t^2-1/(t^2+3)dt=-1/(3t)-根号3/9ar

∫1/t^2(t^2+3)dt
∫1/t^2(t^2+3)dt

∫1/t^2(t^2+3)dt
∫1/t^2(t^2+3)dt
=1/3积分:1/t^2-1/(t^2+3)dt
=-1/(3t)-根号3/9arctant/根号3+c