Math, asked by saniaspriyadarshini, 6 months ago

let A and B are square matrices such that AB=I then zero is an eigen value of​

Answers

Answered by kartikaswain111
2

Answer:

Both A and B

Step-by-step explanation:

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Answered by pulakmath007
10

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PROPERTY TO BE IMPLEMENTED

The product of the eigen values of a matrix P is equal to its determinant

GIVEN

Let A and B are square matrices such that AB = I

TO DETERMINE

Zero is an eigen value of

CALCULATION

Since A and B are square matrices such that AB = I

 \implies{ \sf{  |AB \: |   \: }}=  | I |

 \implies{ \sf{  |A | \: | B \: |  = 1  \: }}

 \implies{ \sf{ both \:  \: of \:  |A |  \: and \:  \: | B |  \:are \: non - zero   \: }}

We know that The product of the eigen values of a matrix A is equal to its determinant

Since determinant value of both A and B are non-zero

Hence zero Can not be a eigen value of A and B

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