Hi1315
Hi1315 Hi1315
  • 14-08-2020
  • Mathematics
contestada

pls help!!
will give the brainliest!
Need explanation
Urgent!!!​

pls helpwill give the brainliestNeed explanationUrgent class=

Respuesta :

sahilsidd
sahilsidd sahilsidd
  • 14-08-2020

Answer:

h=4 and k=-4....

Step-by-step explanation:

hopevit helps you

Ver imagen sahilsidd
Answer Link
Lightx
Lightx Lightx
  • 14-08-2020

Step-by-step explanation:

[tex]A^2= \begin{bmatrix} 4 & 0 \\ 4 & 4 \end{bmatrix}[/tex]

Equate this to $hA + kI$

Thus,

[tex] A^2= h \begin{bmatrix} 2 & 0 \\ 1 & 2 \end{bmatrix} + k \begin{bmatrix} 1 & 0 \\ 0 & 1 \end{bmatrix}[/tex]

Hence we have the following equations (by equating corresponding terms on both sides):

$2h+k=4$

$h=4$

Solve these to get $h=4$ and $k=-4$

Answer Link

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