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Let a,b,c be real numbers such that both b and c are not equal to 0. Suppose P...

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Let a,b,c be real numbers such that both b and c are not equal to 0.

Suppose P = [a b

c 0]

and P^{-1} = P. Then which of the following is true

a = 0 and bc =1

100%

a is not equal to 0 and bc = 1

a = 0 and bc = -1

a = 0 and bc = 2

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