0 0 votes The set of equations $$\begin{array}{l} x+y+z=1 \\ ax-ay+3z=5 \\ 5x-3y+az=6 \end{array}$$ has infinite solutions, if $a=$ $-3$ $3$ $4$ $-4$ Linear Algebra gateme-2019-set1 linear-algebra system-of-equations + – ♦Arjun 399 views answer comment Share Follow Add Sync Questions 0 reply Please log in or register to add a comment.