The Gateway to Computer Science Excellence
+1 vote
159 views
$A$ is $3 \times 4$-matrix of rank $3$. Then the system of equations,

$Ax = b$

has exactly one solution.
in Linear Algebra by Boss (30.8k points) | 159 views

1 Answer

+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.
by (31 points)
Quick search syntax
tags tag:apple
author user:martin
title title:apple
content content:apple
exclude -tag:apple
force match +apple
views views:100
score score:10
answers answers:2
is accepted isaccepted:true
is closed isclosed:true
50,737 questions
57,302 answers
198,306 comments
105,008 users