Question

Let i, j and k be unit vectors in the x, y and z directions, respectively. Suppose that a=3ij+2k. What is the magnitude of the vector a?

Answer 1

Answer:

Root 14

Explanation:

HOPE IT WILL HELP U

MAG. OF A= SQUARE OF ALL THE ELEMENTS

i. e. A = 9+1+4 =14

Now sqrt it

So ans is root 14