Linear Algebra Question

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PBNPUTVYYRF

Mathematics

Description

Find a unit vector in the same direction as  a= (4,-5,-5)

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Explanation & Answer

L = sqrt (4^2+(-5)^2+(-5)^2)

   = sqrt (66)

unit vector in the same direction as  a= (4,-5,-5) is  ( 4/ sqrt (66), -5/sqrt (66), -5/sqrt (66)

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