equation of stright line passing thru two points, vector multiplication, Prob19Chap1

Discussion in 'Math' started by PG1995, Apr 16, 2012.

  1. PG1995

    Thread Starter Active Member

    Apr 15, 2011
    753
    5
    Hi

    Please help me with the query(ies) in the attachment. It would be really kind of you. Thank you.

    Regards
    PG
     
  2. steveb

    Senior Member

    Jul 3, 2008
    2,433
    469
    OK, I see one question which is "what does the question 18 have to do with 19. In the part you highlighted, the question 18 result is used which the sum of the coefficients is set equal to zero.
     
    Last edited: Apr 16, 2012
    PG1995 likes this.
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