If the column space of a 3x3 matrix consists of all vectors b=[b¬ b2 b3] such that b1+ b2= 3b3 then one of the following set of the vectors forms abasis for the left null space of that matrix: O[33 1]...

Asap

Extracted text: If the column space of a 3x3 matrix consists of all vectors b=[b¬ b2 b3] such that b1+ b2= 3b3 then one of the following set of the vectors forms abasis for the left null space of that matrix: O[33 1] and [3 3 - 1] O [33-1] O [11 -3] O [113] and [11 -3]