Given `F = (a//t) + bt^2` where F denotes force and t time. The diamensions of a and b are respectively:

Options

A. `[MLT^(-1)]` and `[MLT^(-4)]`
B. `[LT^(-1)]` and `[T^(-2)]`
C. `[T]` and `[T^(-2)]`
D. `[LT^(-2)]` and `[T^(-2)]`

Answer

a

Explanation

`[a/t]=[F]`
`[b/t^(2)]=[F]`