Consider: [ x2 -vids, Cir(t) = (2t, t-1), te[0, 1] Which one of the following "regular" integrals represents the above line integral. 1 O a. 3+ 2 dt ob. - V5 / 312 + 2t - 1dt 1 Oc V5 3+2 + 2t- 1dt 1 Od. V5 5t2 - 2t + 1dt 1 Oe. O 3+ + 2t- 1dt