A force F is given by F = at+ bt^(2) , w...

A force F is given by F = `at+ bt^(2)` , where t is time. The dimensions of a and b are

`["MLT"^(-3)]and["MLT"^(-4)]`

`["MLT"^(-4)]and["MLT"^(-3]`

`["MLT"^(-1)]and["MLT"^(-2)]`

`["MLT"^(-2)]and["MLT"^(0)]`

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