Math Problem Statement
are the vectors <-1, 0>, <2, 3>, <4, -1> linearly independent?
Solution
To determine if the vectors , , and are linearly independent, we need to check if the following equation has only the trivial solution (i.e., all coefficients are zero):
This translates to the system of linear equations:
Breaking this down into two equations (for each component):
We now solve this system. Let's solve it step by step:
-
From the second equation:
-
Substitute into the first equation:
So, we have and .
Since the only free variable is , the solution is not the trivial solution unless . If , then and as well. However, if , then the solution involves non-zero coefficients.
Thus, the vectors are linearly dependent, because there are non-trivial solutions to the system.
Do you have any questions or want further details?
Here are some related questions to expand on the topic:
- What does it mean for vectors to be linearly dependent or independent?
- Can vectors in a two-dimensional space ever be linearly independent if there are more than two vectors?
- How can we generalize the method for checking linear independence to vectors in higher dimensions?
- What is the geometric interpretation of linearly dependent vectors in 2D space?
- How does the concept of linear independence relate to matrix rank?
Tip: In 2D space, if you have more than two vectors, they will always be linearly dependent because the dimension of the space limits the number of independent directions.
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Math Problem Analysis
Mathematical Concepts
Linear Algebra
Vector Spaces
Linear Independence
System of Linear Equations
Formulas
c1 * v1 + c2 * v2 + c3 * v3 = 0
-c1 + 2c2 + 4c3 = 0
3c2 - c3 = 0
Theorems
Linear Independence Criterion
Rank Theorem
Suitable Grade Level
Grades 11-12, College level
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