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Q 43.

Found in: Page 801


Book edition 1st
Author(s) Peter Kohn, Laura Taalman
Pages 1155 pages
ISBN 9781429241861

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Short Answer

Find a vector in the direction of3,1,2 and with magnitude 5.

The required vector is 5143,1,2.

See the step by step solution

Step by Step Solution

Step 1. Given information.

The given vector is:

v=3,1,2 with magnitude 5.

Step 2. Find the norm of the vector.


Therefore, the norm of the given vector is 14.

Step 3. Find the vector.

We know that the vector in the direction of v is avv. Here a is the magnitude of the given vector.

The required vector is:


Therefore the vector in the direction of v=3,1,2 and with a magnitude of 5 is 5143,1,2.

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