(e) Find a vector parallel to the given vector 5i-j+2k.and its magnitu – InterviewSolution

1.

(e) Find a vector parallel to the given vector 5i-j+2k.and its magnitude is 8 unit. LAns. tany + loglal-c] 5and -3i+j-4k are

Answer»

unit vector along 5î - ĵ +2k̂ will be (5î - ĵ +2k̂)/| 5î - ĵ +2k ̂| = (5î - ĵ +2k̂)/√30

So required vector = 8*(5î - ĵ +2k̂)/√30

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