5 Th matrix \(\mathbf { A }\) is g it
$$\mathbf { A } = \left( \begin{array} { r r }
5 & k
- 3 & - 4
\end{array} \right)$$
- Fid b le \(6 k\) fo wh ch \(\mathbf { A }\) is sig ar.
It is \(\mathbf { M } \quad \mathbf { g }\) vert h \(\mathrm { t } k = 6\) d \(\mathbf { h } \mathrm { t } \mathbf { A } = \left( \begin{array} { r r } 5 & 6
- 3 & - 4 \end{array} \right)\). - Fid th eq tim 6 th in rian lies s, th g th o ign 6 th tras fo matin in th \(x - y \mathrm { p }\) ae rep esen edy \(\mathbf { A }\).
- Th triag e \(D E F\) in b \(x - y\) p ae is tras fo medy An a riag e \(P Q R\).
- Gie it \(\mathbf { h }\) th area 6 triag e \(D E F\) is \(\mathbb { I } \mathrm { cm } ^ { 2 }\), f id \(\mathbf { b }\) area 6 triag e \(P Q R\).
- Find b matrixw h cht ras fo ms triag e \(P Q R\) b d riag e \(D E F\).