Show that the vector of magnitude sqrt(5...

Show that the vector of magnitude `sqrt(51)` which makes equal anges with the vectors `veca=1/3 (hati-2hatj+2hatk), vecb= 1/5 (-4hati-3hatk) and vecc=hati+hatj+hatk`.

A

`pm(i-j+7k)`

B

`pm(5i-j-5k)`

C

`pm(i+5j-5k)`

D

`pm(7i+j-k)`

Text Solution

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The correct Answer is:

B

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Show that the vector of magnitude sqrt(51) which makes equal anges with the vectors veca=1/3 (hati-2hatj+2hatk), vecb= 1/5 (-4hati-3hatk) and vecc=hatj ,is ,-5hati+hatj+5hatk

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ML KHANNA-ADDITION AND MULTIPLICATION OF VECTORS -Problem Set (2) (MULTIPLE CHOICE QUESTIONS)

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