Comments

• Ok. In example 1, you have a set of vectors with the form (x1, x2, 1), with x1 and x2 being real numbers. This means in that set, you have the vectors (4, 5, 1), (2, -2, 1), (0, 0, 1), (-2, -123123, 1), whatever.. as long as the last coefficient …

  in zero vector means nonempty how do you know? Comment by tokyokid115 May 2021
• Ok. In example 1, you have a set of vectors with the form (x1, x2, 1), with x1 and x2 being real numbers. This means in that set, you have the vectors (4, 5, 1), (2, -2, 1), (0, 0, 1), (-2, -123123, 1), whatever.. as long as the last coefficient …

  in zero vector means nonempty how do you know? Comment by tokyokid115 May 2021
• Ok. In example 1, you have a set of vectors with the form (x1, x2, 1), with x1 and x2 being real numbers. This means in that set, you have the vectors (4, 5, 1), (2, -2, 1), (0, 0, 1), (-2, -123123, 1), whatever.. as long as the last coefficient …

  in zero vector means nonempty how do you know? Comment by tokyokid115 May 2021