Mathematics, 18.02.2021 08:30 escojo2508
Matrices P and Q are defined by P=![\left[\begin{array}{ccc}x&2\\-5&-1\\\end{array}\right]](/tpl/images/2156/6052/68be2.png)
and Q=![\left[\begin{array}{ccc}2&-3\\4&y\\\end{array}\right]](/tpl/images/2156/6052/d75e4.png)
. Where x, y∈R
(a) Given the determinant of P is 2, obtain:
(i) The value of x.
(ii) 
(iii) 
, where Q' is the transpose of Q.
(b) The matrix R is defined by R=![\left[\begin{array}{ccc}5&-2\\z&-6\\\end{array}\right]](/tpl/images/2156/6052/44808.png)
, where z∈R.
Determine the value of z such that R is singular.
Answers: 1
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Matrices P and Q are defined by P= and Q=. Where x, y∈R
(a) Given the determinant of P is 2, obtain...
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