its principal argument. 12. Suppose the complex number z is situated along the real x axis, then the principal argument of z is equal to r. 13. Suppose the complex number is in polar form 2 < 450°, then principal argument of z is equal to 450°. 14. Cofactor matrix is another matrix of order n in which all its elements in matrix A are replaced by their respective signed minor. 15. Suppose A is a square matrix with det(A)=0, then matrix A has an inverse matrix.
its principal argument. 12. Suppose the complex number z is situated along the real x axis, then the principal argument of z is equal to r. 13. Suppose the complex number is in polar form 2 < 450°, then principal argument of z is equal to 450°. 14. Cofactor matrix is another matrix of order n in which all its elements in matrix A are replaced by their respective signed minor. 15. Suppose A is a square matrix with det(A)=0, then matrix A has an inverse matrix.
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter6: Vector Spaces
Section6.2: Linear Independence, Basis, And Dimension
Problem 5AEXP
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