Plz fast.... Explain me this differentiation ?? fAST.. Plz fast.... Explain me this differentiation ?? fAST.. V —Utr?h v •s -Ixr2 (12 + On differentiating with respect to r, we have Share with your friends Share 0 Amit Shukla answered this Dear Student, Regards. 0 View Full Answer Geeta Nair answered this Product rule - Keeping one term constant and diff the other...then keeping the other constant and diff the first.... Using chain rule when diff the square root part 0