If `hati andhatj ` are unit vectors along X- and Y-axis respectively, then what is the magnitude and direction of `hati+hatjandhati-hatj` ?

If hati and hatj are unit vectors along X-and Y-axis respective, then what is the magnitude and direction of hati +hatj and hati - hatj ?

hati and hatj are unit vectors along x-axis and y-axis respectively what is the magnitude and direction of the vector hati+hatj and hati-hatj ? What are the magnitudes of components of a vector veca=2hati+3hatj along the directions of hati+hatj and hati-hatj ?

Two unit vectors hati and hatj are directed along x-axis and y-axis respectively. What is the magnitude and direction of the vectors hati+hatj and hati-hatj ?

hati and hatj are unit vectors along x and y axis. What is the magnitude and direction of the vector hati + hatj ?

If hati,hatj and hatk are unit vectors along X,Y & Z axis respectively, then tick the wrong statement:

The unit vector along hati+hatj is :

The unit vector along hati+hatj is

If hati,hatj and hatk represent unit vectors along the x,y and z-axes respectively, then the angle theta between the vectors (hati+hatj+hatk) and (hati+hatj) is equal to :

If hati, hatj and hatk represent unit vectors along the x, y and z-axes respectively, then the angle theta between the vectors (hati+ hatj+hatk) and (hati+hatj) is equal to :

If hati, hatj, hatk represent unit vectors along the X,Y, Z axes respectively, then the angle between the vectors hati+hatj + hatk and hati+hatj is equal to