Answer Happy

The arclength of the teardrop formed by the parametric curves x=t(t2−1) and y=t2−1 is given by what integral expression ∫01​(3t2−1)2+(2t)2​dt ∫01​(3t2−1)2+(2t)2dt ∫−11​(3t2−1)2+(2t)2dt ∫−11​(3t2−1)2+(2t)2​dt