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Find all elements x D4 such that (DxHR270)23 = V. Show that you have found all possible solutions. Let XE D4 such that X

Find all elements x D4 such that (DxHR270)23 = V. Show that you have found all possible solutions. Let XE D4 such that X R270. Find all Y D4 such that XY2 R90. Explain your reasoning. = Let G be the set of 22 real matrices A with both eigenvalues having absolute value equal to 1. Is G a group with respect to matrix multiplication?

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