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Lecture
Linear Applications 3x3: Kernel and Preimage
Description
This lecture covers the concepts of kernel and preimage of a linear application in a 3x3 matrix, defining them as the set of antecedents and the set of solutions of a system of equations, respectively. It also explores the properties of the kernel, showing it as a subspace of R³ and highlighting its stability under scalar multiplication and addition. Additionally, it presents a proposition regarding the kernel being a subspace of P³ and discusses the two possible cases when a certain condition is met.
Official source
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