math
posted by mathstudent .
Prove that if A is a diagonalizable matrix, then the rank of A is the number of nonzero eigenvalues of A.
http://ltcconline.net/greenl/courses/203/MatrixOnVectors/symmetricMatrices.htm
I've read the entire page and while it's on the correct topic, it doesn't prove what I'm looking to prove.
Respond to this Question
Similar Questions

spanish
What is the rule for formal commands? This site give information on Direct Commands. http://users.ipfw.edu/JEHLE/COURSES/COMMANDS.HTM This site shows the difference between commands and requests. It also gives the verb forms: http://spanish.about.com/library/weekly/aa082701a.htm 
math
Prove that if A is a symmetric n x n matrix, then A has a set of n orthonormal eigenvectors. http://ltcconline.net/greenl/courses/203/MatrixOnVectors/symmetricMatrices.htm I've read the entire page and while it's on the correct topic, … 
please help me(math)
4x^2+20x+5y+xy *you have top factor by grouping.If you need more info just ask me but please help me!!!* An example from http://www.ltcconline.net/greenl/courses/152b/FactoringRatExpr/factor.htm Factoring by Grouping Consider the expression … 
science
how many groups of birds are there and name them Since this is not my area of expertise, I searched Google under the key words " bird classification " to get these possible sources: http://www.earthlife.net/birds/intro.html http://animals.about.com/od/onlinecourse1/a/birdsupclose.htm … 
IGCSE Biology
Okay i have an exam in a couple of weeks, and i don't know how birds reproduce. So i was wondering whether or not anyone knew the detailed steps for it/ how it happens. thanx for your help!!! :D Birds reproduce by sexual reproduction, … 
(Life)
What is a good conflict resolution technique for employees? 
Math
How do you remember all the regruping stuff love Ally pethebridge First, for your own safety, use only your first name in posting. Thanks. Remembering "regruping stuff" is accomplished by the same methods used for studying any subject. … 
Science
Please help, I am so bored by my science lesson that I can barely focus. I read the lesson, and 5 seconds later I don't even remember what I just read. Any ideas on somehow making the Atmosphere and Solar Effects more interesting? 
Biology
Explain how the digestive, cardiovascular, and respiratory systems work together to allow cellular respiration to occur. Here are some good sources on cellular respiration: http://en.wikipedia.org/wiki/Cellular_respiration http://biology.clc.uc.edu/Courses/bio104/cellresp.htm … 
math
The probability that a person has immunity to a particular disease is 0.3. Find the mean and standard deviation for the random variable x, the number of people who have immunity in samples of size 28. This is a binomial distribution. …