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Special Square Types

Mathematics · Class 10

O + A = A. A I = A when I is the matching identity. Scalar matrix is a diagonal matrix with equal diagonal entries. I_2 = [[1,0],[0,1]].

O is zeros
I is ones on diagonal
order = rows x columns
keep the ideas separate
Special Square Types: O + A = A. A I = A when I is the matching identity. Scalar matrix is a diagonal matrix with equal di
WHAT — SPECIAL SQUARE TYPES: O + A = A. A I = A when I is the matching identity. Scalar matrix is a diagonal matrix with equal di
HOW — Use the idea: Identify what is given, select this topic's rule or evidence, apply it one step at a time, and check
CORE UNDERSTANDING: O + A = A. A I = A when I is the matching identity. Scalar matrix is a diagonal matrix with equal di

Right triangle — Special Square Types — original sketch for this lesson (not copied from a textbook).