Question

Matrices question

A denotes n by n and b and x denote n by 1 vectors.

True or false
a) For all b there exists an x such that Ax=b
b)There exists an x such that for all b Ax=b
c) There exists a b such that for all x Ax=b
d) For all x there exists a b such that Ax=b

Answer 1

@phi

Answer 2

@mathstudent55

Answer 3

@jim_thompson5910

Answer 4

anyone please helppp

Answer 5

i got false false true true

Answer 6

@Hero

Answer 7

no body wants to help me