"If `S` is the set of distinct values of `' b` for which the following system of linear equations
Channel: Doubtnut
Date: 2020-07-05

"If `S` is the set of distinct values of `' b` for which the following system of linear equations `x+y+z=1`  `x+a y+z=1`  `a x+b y+z=0`  has no solution, then `S` is : a finite set containing two or more elements (2)   a singleton an empty set (4) an infinite set"