<prompt> Umusho 1: I-opharetha ehlukile ebhalwe nguWilliam Rowan Hamilton, eyethulwe ngo- futhi ebizwa ngokuthi i-del noma i-nabla, ichazwa ngokomfanekiso ngesimo se-vector. Umusho 2: I-operator ehlukile, ebhalwe nguWilliam Rowan Hamilton futhi ebizwa ngokuthi i-del noma i-nabla, ichazwa ngokomfanekiso ngesimo se-vector. Umbuzo: Ingabe umusho 1 nomusho 2 usho into efanayo? Yebo noma Cha?  <response>: Yebo Yebo 