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pro
pro
15:53
@QiaochuYuan what was the desired result?
 
1 hour later…
17:12
@pro: it was to show that if X was another nxn matrix, then det (A + MX) = det (B + XM). this is clear when M is invertible (multiply both sides by det (M) on the appropriate side) so it seemed natural to try to reduce to this case
 
3 hours later…
19:50
@QiaochuYuan: Sorry wrote some nonsense.
you're still eligible for putnam?
20:39
no, just did it for fun

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