21 - Linear Algebra
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Practice Questions
Test your understanding with targeted questions
Define what a system of linear equations is.
💡 Hint: Think about how different equations can intersect.
What is an identity matrix?
💡 Hint: What happens when you multiply any matrix by it?
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is a system of linear equations?
💡 Hint: Think about how equations can relate to each other.
True or False: Eigenvalues can be zero.
💡 Hint: What does zero mean for a transformation?
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Consider the matrix A = [[4, 2], [1, 3]]. Determine if A is singular or non-singular.
💡 Hint: Focus on the determinant calculation!
A system of equations is given: x + y + z = 6, 2x - y + 3z = 14, and -x + 4y - z = -2. Determine the values of x, y, and z.
💡 Hint: Try substituting back into one of the original equations for checking.
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