engineering recuitment GATE CSE 2023-24 Test Series Engineering Mathematics Linear Algebra Matrix Algebra
\(\left[ {\begin{array}{*{20}{c}} 4&5&x\\ 5&6&y\\ 6&k&z \end{array}} \right]\)
For the given matrix, if x, y, z are in AP with a common difference d and the rank of the matrix is 2, then which of the following results is/are always correct?
1
d = k
2
‘d’ and ‘k’ are any arbitrary number
3
k = 7
4
x = 4d