Exercise 4.3.1 Let M = {u= (u₁, U2, U3, U4) ER4: |u₁| ≤ 4}. Is M a subspace of R4? Exercise 4.3.2 Let M = {u= (u1, U2, U

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Exercise 4 3 1 Let M U U U2 U3 U4 Er4 U 4 Is M A Subspace Of R4 Exercise 4 3 2 Let M U U1 U2 U 1 (54.4 KiB) Viewed 25 times

Exercise 4.3.1 Let M = {u= (u₁, U2, U3, U4) ER4: |u₁| ≤ 4}. Is M a subspace of R4? Exercise 4.3.2 Let M = {u= (u1, U2, U3, U4) R: sin(u) = 1}. Is M a subspace of R¹? Exercise 4.3.3 Let W be a subset of M22 given by W=A|A EM22, AT = A} In words, W is the set of all symmetric 2 x 2 matrices. Is W a subspace of M22? Exercise 4.3.4 Let W be a subset of M22 given by Is W a subspace of M22? W = {[a b]la.bc.de a,b,c,d ER.a+b= b=c+d}