SOLUTION: {{{A}}} matrix {{{A}}} is called an involutory matrix if {{{A^2= I}}}. Prove that for any involutory matrix {{{A}}} , {{{ A=+1}}},{{{-1}}}
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Question 1102637: matrix is called an involutory matrix if . Prove that for any involutory matrix , ,
Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
try A =
:
|0 1|
|1 0|
:
A^2 = I but A does not equal I or -I
:
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