Question: True or False. Justify your answer. [5] (A) Let U1, U2, Us be subspaces of M2x2(R). If V = U1 O U2 O Us, then

True or False. Justify your answer. [5] (A) Let U1, U2,Us be subspaces of M2x2(R). If V = U1 O U2 O

True or False. Justify your answer. [5] (A) Let U1, U2, Us be subspaces of M2x2(R). If V = U1 O U2 O Us, then dim V = 4.\f

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