Lesson 12 section 3 Typo in QUESTION 2 OF 2

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Lesson 12 section 3 Typo in QUESTION 2 OF 2 #267

Closed JafarAbdi closed 3 years ago

JafarAbdi commented 6 years ago

The one in the second row and third column should be there https://imgur.com/a/RsOYW4z

xCASx commented 6 years ago

Spent more than a week at Khan Academy to refresh my knowledge on linear algebra to find out what's wrong with my calculations. All this just to finally figure out that it's just a typo in the assignment.

thecarlos commented 5 years ago

Had the same issue, did the derivation of the inverse by hand and thought the scoring was wrong. Didn't think that it could have been a typo.