I'm aware of many different properties of determinants, like two rows being equal implies determinant is zero, or if a row is multiplied by a constant, then you factor out that constant. I'm not aware of being able to do this though. What property am I missing that allows you to simplify a determinant like this?
2026-04-17 03:41:12.1776397272
How are you able to factorise a determinant like this?
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Rule: if a matrix $B$ is obtained from $A$ , by adding or subtracting one column to another column (part of elementary column operation), Then, these two matrices $A$ and $B$ have equal dets.