Published exercise 2 Sept 18, 2020 11:14:35 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Admin on Sept 18, 2020 11:14:35 GMT I recently noticed a couple of errors in part (iv) of my answer to exercise 21 chapter 2 and a typo in part (v). I have amended my answer and reposted.Vasco/Admin