\frac18 \int_{-3}^{-1} (3t+25)\sqrt{t^2-1} +80 \frac{t+1}{\sqrt{t^2-1}} dt\frac18 \int_{-3}^{-1} (3t+25)\sqrt{t^2-1} +80 \frac{t+1}{\sqrt{t^2-1}} dt

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