Question

find out subspaces of R^4 (R)​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

S={[xyzw]∈R4|A[xyzw]=0}=N(A), the null space of A. Recall that the null space of a matrix is always a subspace. Hence the subset S is a subspace of R4 as it is the null space of the matrix A.

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