Please help me solve this question

[bagofchips123]

Hi guys, I'm trying to solve f, any help would be greatly appreciated!

 

[Deleted member 4993]

Hi guys, I'm trying to solve f, any help would be greatly appreciated!

Please show us what you have tried and exactly where you are stuck.

Please follow the rules of posting in this forum, as enunciated at:

READ BEFORE POSTING​

Please share your work/thoughts about this problem.

 

[bagofchips123]

Please show us what you have tried and exactly where you are stuck.

Please follow the rules of posting in this forum, as enunciated at:

READ BEFORE POSTING​

Please share your work/thoughts about this problem.
View attachment 26404

Hi there, I diligently read through the rules and understand what it asked of me. To answer your question, I haven't really done any working as I am really stuck on this question and don't know where to begin as I've never really encountered one alike. If you could help that would be great!

 

[pka]

Hint: what \(x\) makes the determinant \(\left|A \right| =0\)

 

[bagofchips123]

Hint: what \(x\) makes the determinant \(\left|A \right| =0\)

Oh perfect, I've got it now. Thanks for your help