2 votes 2 votes $A$ is $3 \times 4$-matrix of rank $3$. Then the system of equations, $Ax = b$ has exactly one solution. Linear Algebra tifrmaths2011 linear-algebra system-of-equations + – makhdoom ghaya asked Dec 9, 2015 makhdoom ghaya 593 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
1 votes 1 votes FALSE A is 3*4 matrix ; here m<n means 3<4 Rank(A)=3=m so , number of solution is always infinity. Neetu Suthar answered Dec 6, 2017 Neetu Suthar comment Share Follow See all 2 Comments See all 2 2 Comments reply reboot commented Dec 31, 2020 reply Follow Share Both ‘infinite’ and ‘no solution’ possible 0 votes 0 votes DAWID15 commented Jan 12, 2022 reply Follow Share I think you're right. Because nothing is mentioned about the rank of augmented matrix. 0 votes 0 votes Please log in or register to add a comment.