Question

find the modulus of vector 2i-7j-3k​

Answer 1

Answer:

Step-by-step explanation:here is your answer check whether right or wrong.

Answer 2

.. v=6i+2j+3k. Figure 1: The magnitude of the vector v = 6i + 2j + 3k ... But by Pythagoras in the triangle OAB, we have that OB^2=OA^2+ AB^2. Putting ... and therefore that v = 49=7 .