Find All Values of k Such That a Vector is in a Given Span [Passing Linear Algebra] 

I’m watching all of your vids before my linear algebra final and u are saving me 🙏🏻🙏🏻🙏🏻

Thanks alot!

Thanks sir it's very useful 🙏

First? Also wat do if k disappears while finding REF Edit: nvm solved into wrong REF, k was was 1/4k-7 Haha