Question1 which of the statements below is not true? Let T: Rn Rm and let A be t

Question

Question1 which of the statements below is not true? Let T: Rn Rm and let A be the standard matrix of the transformation T To find . the image of a vector u under T, compute the product Au B. all x in R", if any, whose image under T is b, solve Ax = b. C. the standard matrix of T, find the images of vectors e,,.. e,n under the transformation T and use them as columns for A. row i in AB, calculate the sums of products of the entries in row i of A by the corresponding entries in each column of B the inverse of an invertible n × n matrix A, construct the matrix [A square matrix formed by the last columns. E and reduce it to an echelon form: A-1 is the

Explanation / Answer

question 1 : option E is not true, because when the matrix [ A I ] reduced in echelon form then A-1 is what I become after all row operation applying on it to convert A into echelon form

question 2:

option E is not true , because according to cramer's rule

xi = det Ai / det A

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