JEE PYQ: Matrices And Determinants Question 87
Question 87 - 2019 (12 Jan Shift 1)
The set of all values of $\lambda$ for which the system of linear equations $x - 2y - 2z = \lambda x$, $x + 2y + z = \lambda y$, $-x - y = \lambda \cdot 2$ has a non-trivial solution:
(1) is a singleton
(2) contains exactly two elements
(3) is an empty set
(4) contains more than two elements