Mathematics, 10.07.2019 04:40, Enyo07

Amatrix is skew symmetric of a^t = -a. prove that if b is a square matrix that 1/2(b - b^t) is skew symmetric and 1/2(b + b^t) is symmetric. find the inverse of a = [1 2 0 2 1 0 0 0 3] if it exists. a) give a 2 times 2 example that proves that the sum of two invertible matrices need not be invertible. b) give a 2 times 2 example that proves that the sum of two singular matrices need not be singular. let a be an invertible matrix. prove that if ab is defined then rank ab = rank b and if ba is defined that rank ba = rank b.

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 15:30, nicpinela1234

The coordinates of a, b, and c in the diagram are a(p,4), b(6,1), and c(9,q). which equation correctly relates p and q? hint: since is perpendicular to , the slope of × the slope of = -1. a. p - q = 7 b. q - p = 7 c. -q - p = 7 d. p + q = 7

Answers: 3

continue

Mathematics, 22.06.2019 00:30, ghetauto

What is the geometric mean of 3 and 7? a) square root of 21 b) 2 square root of 6 c) 2 square root of 7 d) 21

Answers: 2

continue

Mathematics, 22.06.2019 01:00, jor66

Luisa sells stuffed animals. she sells her stuffed elephant for $34.90, and the sales tax is 6% of the sale price. about how much is the sales tax on the elephant?

Answers: 2

continue

Mathematics, 22.06.2019 01:30, deonharris18

Henry's butcher shop uses an electronic scale that measures to 1/100 of a pound. which is the most accurate measurement based on the limitations of the scale that might be found on a package of meat sold by henry?

Answers: 2

continue

Do you know the correct answer?

Amatrix is skew symmetric of a^t = -a. prove that if b is a square matrix that 1/2(b - b^t) is skew...