InterviewSolution
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InterviewSolution
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Let z=−1+√3i2, where i=√−1, and r, s ϵ {1, 2, 3}. Let P=[(−z)rz2sz2szr] and I be the identity matrix of order 2. Then, the total number of ordered pairs (r, s) for which P2 = -I is ___ |
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Answer» Let z=−1+√3i2, where i=√−1, and r, s ϵ {1, 2, 3}. Let P=[(−z)rz2sz2szr] and I be the identity matrix of order 2. Then, the total number of ordered pairs (r, s) for which P2 = -I is |
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