Write the dimensions of a and b in the relation: P = b − x² a t Where P is power, x is distance and t is time.
a. [M⁰L²T⁰] , [M⁻¹L⁰T²]
b. [M⁰L²T⁰] , [M⁻¹L¹T²]
c. [M⁻¹L¹T²], [M⁰L²T⁰]
d. [M⁻¹L⁰T²], [M⁰L²T⁰ ]