Write the dimensions of a and b in the relation P=b-x2/at where P is power, x is distance and t is time. Share with your friends Share 35 Jyoti Pant answered this The given relation is 149 View Full Answer Shourya Sharma answered this Hi,Pat=b-x2Since b is subtracted from L2 therefore b should also have dimension L2 bcoz we can only +or- quantities of same dimensions.Pat=L2[ML2T-3][T]a=L2so, a=M-1T2 Thank you. 14