# TIFR-2011-Maths-A-13

1 vote
232 views
$A$ is $3 \times 4$-matrix of rank $3$. Then the system of equations,

$Ax = b$

has exactly one solution.

1 vote
FALSE

A is 3*4 matrix ; here m<n means 3<4

Rank(A)=3=m

so , number of solution is always infinity.
0
Both ‘infinite’ and ‘no solution’ possible

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