A ball is spun with angular acceleration $\alpha=6 t ^{2}-2 t$ where $t$ is in second and $\alpha$ is in $rads$ $^{-2}$. At $t=0$, the ball has angular velocity of $10\,rads$ $^{-1}$ and angular position of $4\,rad$. The most appropriate expression for the angular position of the ball is
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