A force F is given F=a t+b t^2 , where, t is time. What are the...

Options

1. A$\left[\mathrm{MLT}^{-1}\right]$ and $\left[\mathrm{MLT}^0\right]$
2. B$\left[\mathrm{MLT}^{-3}\right]$ and $\left[\mathrm{ML}^2 \mathrm{~T}^4\right]$
3. C$\left[\mathrm{MLT}^{-4}\right]$ and $\left[\mathrm{MLT}^1\right]$
4. D$\left[\mathrm{MLT}^{-3}\right]$ and $\left[\mathrm{MLT}^{-4}\right]$