Theorem (Axioms of a Derived set): Let (M,d) be a metric space and let S,T C M. Then (1) S CT S' S T'. (4) 5 = S'US. (2) (SUT)' = S'U T". (3) In general, (S n T)' S s'nT', but (S nT)' # S'nT.
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- 28. Is C a real vector space? Explain.Let P = {(*, 3, 2) e R' | as + by + ez = 0} where (a, b, e) # (0,0,0). (a) Prove that (a, b, e) ¢ P. 3 (b) Prove that R = Pe L, where L = span{(a, b, e)}.) Consider the space R^2 equipped with the sunflower metric. Identify explicitly the set of points in R 2 which forms the ball B1((2, 2)) of radius 1 and centre at the point (2, 2). Provide reasons for your answer.
- 8. (S.10). Let H is a dot product vector space uvE H such that u (u, u) ||v|| = (v, v)? with ||| = 2, ||||=3 (uv) = 1, (here, (u, v) denotes a dot product of u, vE H). Find |u - v||Please don't provide handwritten solution .... ) Consider the space R^2 equipped with the sunflower metric. Identify explicitly the set of points in R 2 which forms the ball B1((2, 2)) of radius 1 and centre at the point (2, 2). Provide reasons for your answer.et s= {(1,3,2),(-4,1,1),(-2,7,-3),(2,1,1)} and let U=span(S). what is dim U
- True/ False Circle either "true" or "false" to indicate the veracity of each statement. You do NOT have to give any reasons for your answers. V. FALSE [1] For any functiom defined on vector spaces, p: (V, +;) → (V', +',') Dim(V) = Nullity ofo + Rank of o TRUE If o: (V, +,) → (V',+',') is a vector homomorphism, the Null Space ofo is a subspace of (V',+','). TRUE FALSE [2] If o: (V,+;) → (V', +',') is a vector homomorphism, the Range Space of o is a subspace of (V',+',;'). TRUE FALSE [3] If a : (V,+;) → (v', +',') and ß : (V, +,) → (V', +',') are two vector homomorphisms, then R(a) = R(B). FALSE [4] TRUE -> %3D If a : (V,+;) → (V', +',') and ß : (V,+;') → (V', +',') are two vector isomorphisms, then R(a) = R(B). TRUE FALSE [5] Suppose (V, +,) has a basis B =(ß1, B2 ), and we write B' = ( B2 B1) Let i be a vector in V. If Rep3(3) = then Reps, (5) = | FALSE [6] TRUE %3D VI. Circle the correct choice(s) in each problem. Here, assume is p a homomorphism. [1] Suppose p: M2x5 R° is surjective.…Find projs u. S = span { projs u = -1 0 1 000 3 4 1 4 1 6 };-- 1 0 8Let (x, d) be metric space and A, BC X. 2. Show that (AnB)= A'n B and AUB = AUB %3D