Multiply each entry in row 2 of a 3 by 3 determinant by the number k, k ≠0 . Show that the value

Name: Problem 67, Chapter 12: Algebra and Trigonometry
Uploaded: 2021-07-21T15:06:39-08:00
Duration: 3 min 51 s
Channel: Yujie Wang
Description: Multiply each entry in row 2 of a 3 by 3 determinant by the number k, k ≠0 . Show that the value of the new determinant is k times the value of the original determinant.

Question

Yujie Wang · Accepted Answer

step 1 Okay, let&#x27;s see. So now I imagine or I set a determinate, okay, looks something like this. Okay,

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