From where you will expand?

Algebra Level 4

If \[1=\begin{vmatrix} 1 & 1 & 1 & . & . & . & 1 \\ 1 & 1-x & 1 & . & . & . & 1 \\ 1 & 1 & 2 - x & . & . & . & 1 \\ & . & . & . & . & . & . \\ & . & . & . & . & . & . \\ & . & . & . & . & . & . \\ 1 & 1 & 1& . & . & . & n - x \end{vmatrix}\\\]

then what is \(x?\)

  • If you don't know how to expand determinants, look at this note

×

Problem Loading...

Note Loading...

Set Loading...