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Thursday, July 19, 2018

Problem of the Week 7-19-18: Invertible Matrix [Linear Algebra]

Check out this Problem of the Week.
Be sure to let us know how you solved it in the comments below or on social media!

Solution below:


 Video:
*Note: In the video, k2 - 1 - 6(k - 1) reduces to k2- 6k + 5 NOT k2 - 6k - 5

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2 comments:

  1. Ignacio Larrosa CañestroJuly 19, 2018 at 12:48 PM

    Is better factorize directly: (k^2-1)-6(k-1)=(k+1-6)(k-1) = (k-5)(k-1)

    ReplyDelete
  2. iitmindJuly 25, 2018 at 3:49 AM

    Beautiful and impressive article. Thanks for sharing the info. keep visiting BEST IITJEE PREPARATION BOOKS to access global education specially for science and engineering students for Higher level educational ebooks

    ReplyDelete

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