. (a) Suppose W₁ and W₂ are subspaces in a vector space V and that V = W₁ + W₂. Prove that V = W₁ W₂ if and only if any vector v EV can be represented uniquely as v = v₁ + v2 where V₁ € W₁, V2 E W₂. = (b) Suppose W₁ and W₂ are subspaces in a vector space V, and such that V basis of W₁ and 32 is a basis of W2 prove that 3₁ U 32 is a basis of V. W₁ W₂. If B₁ is a
. (a) Suppose W₁ and W₂ are subspaces in a vector space V and that V = W₁ + W₂. Prove that V = W₁ W₂ if and only if any vector v EV can be represented uniquely as v = v₁ + v2 where V₁ € W₁, V2 E W₂. = (b) Suppose W₁ and W₂ are subspaces in a vector space V, and such that V basis of W₁ and 32 is a basis of W2 prove that 3₁ U 32 is a basis of V. W₁ W₂. If B₁ is a
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:.
(a) Suppose W₁ and W₂ are subspaces in a vector space V and that V = W₁ + W₂. Prove that
V = W₁ W₂ if and only if any vector v EV can be represented uniquely as v = v₁ + v2 where
V₁ € W₁, V2 € W2.
(b) Suppose W₁ and W₂ are subspaces in a vector space V, and such that V = W₁ W₂. If B₁ is a
basis of W₁ and 32 is a basis of W2 prove that B₁ U B2 is a basis of V.
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