Math Problem Statement
If A has diagonals [2, 0, 2, 0] then the rank of A is*
4
2
Less than 4
Data insufficient/None of the options
Solution
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Math Problem Analysis
Mathematical Concepts
Linear Algebra
Matrix Rank
Diagonal Matrix
Formulas
Rank of a diagonal matrix = number of non-zero diagonal entries
Theorems
Rank Theorem (The rank of a matrix is the number of linearly independent rows or columns)
Suitable Grade Level
Undergraduate (Linear Algebra)
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