math

This is a matrix question.

R is the matrix (3r 1)
(s 2s)

1. State, in terms of s and r the determinant of R
2. If r=1/3 and s=4 determine the inverse of R
3.State the pair of r and s not including 0, which would make the matrix R a singular matrix

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2. 👎 0
3. 👁 185

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