SOLUTION: Check if the matrices mutually inverse ( 15 3.1)/( 10 2 )and(-2 2)/(10 -300/31) I need a solution and explanation what does it m

SOLUTION: Check if the matrices mutually inverse ( 15 3.1)/( 10 2 )and(-2 2)/(10 -300/31) I need a solution and explanation what does it m

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Question 937687: Check if the matrices mutually inverse ( 15 3.1)/( 10 2 )and(-2 2)/(10 -300/31)

I need a solution and explanation
what does it mean mutually inverse?
Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
Let I be the identity matrix (n by n), then
two n by n matrices are mutually inverse when
A1A2 = I and
A2A1 = I

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