Asked by J

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

13 years ago

Answered by Reiny

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

|u| = √(36+36+49) = √121 = 11

13 years ago

Answered by J

thankyou!

13 years ago

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