Find the dimensions of (a/b) in the equation: P = a - t^2/bx

Question

Find the dimensions of (a/b) in the equation: P = \(\frac{a - t^2}{bx}\)

Where P is pressure, x is distance and t is time. 

(A) [M¹ L¹ T^-2] 

(B) [M¹ L⁰ T^-2]

(C) [M^-1 L^-2 T²] 

(D) [M¹ L^-2 T²]

Answer 1

Answer is (B) [M¹ L⁰ T^-2