Determine the dimension of w

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Let M2×2. Let be the collection of all 2 × 2 symmetric matrices and be the set of all 2 × 2 skew-symmetric matrices.

i) Assuming that is a subspace of , find a basis for and thereby determine the dimension of W.

ii) Assuming that is a subspace of , find a basis for and hence determine its dimension. iii) Prove that if ∈ , then +with some ∈ and ∈ U.

Reference no: EM132015769

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