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Properties of Vector Space Video Lecture | Mathematics for Competitive Exams
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FAQs on Properties of Vector Space Video Lecture - Mathematics for Competitive Exams
| 1. What are the properties of a vector space in mathematics? |  |
Ans. The properties of a vector space in mathematics include closure under addition and scalar multiplication, associativity and commutativity of addition, existence of an additive identity and additive inverses, distributivity of scalar multiplication with respect to addition, and compatibility of scalar multiplication with field multiplication.
| 2. How do you prove closure under addition in a vector space? | |
Ans. To prove closure under addition in a vector space, we need to show that if two vectors are in the vector space, their sum is also in the vector space. This can be done by demonstrating that the sum of two vectors satisfies all the properties of a vector space, such as associativity, commutativity, and existence of an additive identity and additive inverses.
| 3. What does it mean for a vector space to be commutative? | |
Ans. In the context of vector spaces, commutativity refers to the property that the order of vector addition does not matter. In other words, if u and v are vectors in a vector space, then u + v = v + u. This property allows us to freely rearrange vectors when performing addition operations.
| 4. How is distributivity of scalar multiplication related to vector spaces? | |
Ans. Distributivity of scalar multiplication is one of the properties that a vector space must satisfy. It states that for any scalar c and vectors u and v in the vector space, c(u + v) = cu + cv. This property ensures that scalar multiplication distributes over vector addition, allowing us to perform scalar multiplication on vectors in a consistent manner.
| 5. What is the significance of the existence of an additive identity in a vector space? | |
Ans. The existence of an additive identity in a vector space is a fundamental property. It states that there exists a vector 0 such that for any vector u in the vector space, u + 0 = u. This property ensures that every vector in the space has an element that acts as a neutral element under vector addition. It also guarantees that the vector space is non-empty and that there is a starting point for vector addition operations.
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Dec 23, 2024 Last updated |
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