Grade 12th passAlgebra
Let S be the set of all real values of ‘a’ for which the following set of linear equations ax+2y+5z=1, 2x+y+3z=1, 3x+7z=1 is consistent. Then the set S is:(1)Equal to R(2)Equal to R-{1} (3)Equal to {1} (4)An empty set
Let S be the set of all real values of ‘a’ for which the following set of linear equations ax+2y+5z=1, 2x+y+3z=1, 3x+7z=1 is consistent. Then the set S is:
(1)Equal to R
(2)Equal to R-{1} (3)Equal to {1} (4)An empty set
