Question # 1

If m and n be two scalars, then (m+n) g =

Question # 3

The angle between the vectors __u__ = [-3 , 5] and __v __= [6 , -2] is:

Question # 4

If a = [1,4,3] and B= [2,-1,5] athen the mid point M of AB is:

Question # 5

If|a| =|b| = |a+b|=1, then|a-b| is equal to:

Question # 6

The vector i = [1,0] is called unit vector along:

Question # 8

If the angle between two vectors__ u__ and __v__ is 0 orπ, then the vectors __u__ and __v__ are:

Question # 10

If u = xi + yj, then|u|

Question # 11

Question # 12

The positive real number which is the measure of the length of a vector is called the