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Posted by on Wednesday, May 9, 2012 at 1:30am.

Determine the vector u = AB and its magnitude, given A(3,7,-2) and B(9,1,5).

  • Calculus - , Wednesday, May 9, 2012 at 8:02am

    u = [9-3,1-7,5+2] = [6,-6,7]

    |u| = √(36+36+49) = √121 = 11

  • Calculus - , Thursday, May 10, 2012 at 4:15pm

    thankyou!

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