Boy Mow Chau's answer to angelicaboy's Junior College 2 H2 Maths Singapore question.

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Boy Mow Chau
Boy Mow Chau's answer
317 answers (Tutor Details)
1st
???
this is not H2 Maths, right?
should be H2 Further Maths instead?

just need to apply some basic rules of matrices …