MATSEC AM Pure Mathematics Complete Prep Course — Lesson 88: Matrix basics and special matrices

Lesson 88 sets up the language of matrices for MATSEC Paper One. It defines order as rows before columns and entry labels such as a two one, then shows how matrix equality forces a set of simultaneous equations. It covers entry by entry addition and subtraction under identical order, scalar multiplication, and the square, zero, identity and diagonal matrices, closing with the commutative and associative laws for addition.

Lesson 88 of 158 in the MATSEC AM Pure Mathematics Complete Prep Course audio course from ExamPrepRise.

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