Answer:
for a a) {(1, 2), (1, 3), (1, 4), (2, 3), (2, 4), (3, 4)}
![\left[\begin{array}{cccc}0&1&1&1\\0&0&1&1\\0&0&0&1\\0&0&0&0\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bcccc%7D0%261%261%261%5C%5C0%260%261%261%5C%5C0%260%260%261%5C%5C0%260%260%260%5Cend%7Barray%7D%5Cright%5D)
for b
b) {(1, 1), (1, 4), (2, 2), (3, 3), (4, 1)}
![\left[\begin{array}{cccc}1&0&0&1\\0&1&0&0\\0&0&1&0\\1&0&0&0\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bcccc%7D1%260%260%261%5C%5C0%261%260%260%5C%5C0%260%261%260%5C%5C1%260%260%260%5Cend%7Barray%7D%5Cright%5D)
for c) {(1, 2), (1, 3), (1, 4), (2, 1), (2, 3), (2, 4), (3, 1), (3, 2), (3, 4), (4, 1), (4, 2), (4, 3)}
![\left[\begin{array}{cccc}0&1&1&1\\1&0&1&1\\1&1&0&1\\1&1&1&0\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bcccc%7D0%261%261%261%5C%5C1%260%261%261%5C%5C1%261%260%261%5C%5C1%261%261%260%5Cend%7Barray%7D%5Cright%5D)
for d d) {(2, 4), (3, 1), (3, 2), (3, 4)}
![\left[\begin{array}{cccc}0&0&0&0\\0&0&0&1\\1&1&0&1\\0&0&0&0\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bcccc%7D0%260%260%260%5C%5C0%260%260%261%5C%5C1%261%260%261%5C%5C0%260%260%260%5Cend%7Barray%7D%5Cright%5D)
Step-by-step explanation:
in matrix, arrays are placed in rows , which represents the horizontal sides from left to right, while arrays in the column are placed vertically from top to bottom. Here, we placed the arrays in a 4x4 matrix
for a a) {(1, 2), (1, 3), (1, 4), (2, 3), (2, 4), (3, 4)}
![\left[\begin{array}{cccc}0&1&1&1\\0&0&1&1\\0&0&0&1\\0&0&0&0\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bcccc%7D0%261%261%261%5C%5C0%260%261%261%5C%5C0%260%260%261%5C%5C0%260%260%260%5Cend%7Barray%7D%5Cright%5D)
for b
b) {(1, 1), (1, 4), (2, 2), (3, 3), (4, 1)}
![\left[\begin{array}{cccc}1&0&0&1\\0&1&0&0\\0&0&1&0\\1&0&0&0\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bcccc%7D1%260%260%261%5C%5C0%261%260%260%5C%5C0%260%261%260%5C%5C1%260%260%260%5Cend%7Barray%7D%5Cright%5D)
for c) {(1, 2), (1, 3), (1, 4), (2, 1), (2, 3), (2, 4), (3, 1), (3, 2), (3, 4), (4, 1), (4, 2), (4, 3)}
![\left[\begin{array}{cccc}0&1&1&1\\1&0&1&1\\1&1&0&1\\1&1&1&0\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bcccc%7D0%261%261%261%5C%5C1%260%261%261%5C%5C1%261%260%261%5C%5C1%261%261%260%5Cend%7Barray%7D%5Cright%5D)
for d d) {(2, 4), (3, 1), (3, 2), (3, 4)}
![\left[\begin{array}{cccc}0&0&0&0\\0&0&0&1\\1&1&0&1\\0&0&0&0\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bcccc%7D0%260%260%260%5C%5C0%260%260%261%5C%5C1%261%260%261%5C%5C0%260%260%260%5Cend%7Barray%7D%5Cright%5D)