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Unicorn Rainbow
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Unicorn Rainbow asked in Science & MathematicsMathematics · 1 decade ago

Let "A" be an "n x n" matrix. Is it possible for A^2 + I = 0 in the case where "n" is odd? "n" is even?

Let "A" be an "n x n" matrix. Is it possible for A^2 + I = 0 in the case where "n" is odd? Answer the same question in the case where "n" is even?

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