5. Let V₁, V2, V3, and v4 be such that {V1, V2, V3} is linearly dependent and {v2, V3, V4} is linearly independent. (a) Prove that v₁ is a linear combination of v2 and v3. You can use the fact that any subset of a linearly independent set is linearly independent. Be careful not to assume something is nonzero. (b) Prove that v4 is not a linear combination of V1, V2, and v3.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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5. Let V₁, V2, V3, and v4 be such that {V1, V2, V3} is linearly dependent and {v2, V3, V4} is
linearly independent.
(a) Prove that v₁ is a linear combination of v2 and v3. You can use the fact that any subset
of a linearly independent set is linearly independent. Be careful not to assume something
is nonzero.
(b) Prove that v4 is not a linear combination of V1, V2, and v3.
Transcribed Image Text:5. Let V₁, V2, V3, and v4 be such that {V1, V2, V3} is linearly dependent and {v2, V3, V4} is linearly independent. (a) Prove that v₁ is a linear combination of v2 and v3. You can use the fact that any subset of a linearly independent set is linearly independent. Be careful not to assume something is nonzero. (b) Prove that v4 is not a linear combination of V1, V2, and v3.
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