Christmas MT's answer to GigaPascal's Junior College 1 H1 Maths question.
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Not a hard question. Might to revise Math notes.
Simply put, a matrix multiplied by its inverse gives an identity matrix (the matrix equivalent of the number 1).
So (pre)-multiply by B^-1 throughout the equation. Done.
Simply put, a matrix multiplied by its inverse gives an identity matrix (the matrix equivalent of the number 1).
So (pre)-multiply by B^-1 throughout the equation. Done.
Date Posted:
7 years ago
Thank you! Asked a teacher about this and he reexplained to me regarding inverse matrices.
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