. Find the rank of the matrix A by normal form method where1 2 1 34 1 2 1 .3 1 1 21 2 0 1

Find the value of b such that the rank of the matrix A is 3.A =[1 1 −1 04 4 −3 1𝑏 2 2 29 9 𝑏 3

What is the rank of the matrix

What is the rank of the matrix ⎡⎣⎢⎢⎢442670003639021328412⎤⎦⎥⎥⎥[473024062820314609312]?a.3b.4c.5d.2

Matrix A and B are given below:A =1 −3 4 −1 9−2 6 −6 −1 −10−3 9 −6 −6 −33 −9 4 9 0 and B =1 −3 0 5 −70 0 2 −3 80 0 0 0 50 0 0 0 0Assume that the matrix A is row equivalent to B. Find(a) (3 pts) rank A.

The rank of the following matrix [123246369]⎣⎡​ 123​ 246​ 369​ ⎦⎤​ is