Let v=-9i+7j. Find the vector 4v.

 

Answer: vector 4v=  (-36i + 28j).


To find the vector 4v, we simply multiply each component of v by 4.


So,


4v = 4(-9i + 7j)


= (-36i + 28j)


Therefore, the vector 4v is (-36i + 28j).



Comments