Magnitude of addition of two vectors

What is the magnitude of a vector obtained by addition of two vectors, 6hati+7hatj and 3 hati+4hatj ?

Magnitude of vector which comes on addition of two vectors, 6hati+7hatj and 3hati+4hatj is

What do you understand by resultant vector ? Show that vector addition of two vectors is different from scalar addition of two scalars.

The magnitude of the sum of two vectors is equal to the difference in their magnitudes. What is the angle between vectors?

If the magnitude of sum of two vectors is equal to the magnitude of difference of the two vector, the angle between these Vector is

If the magnitude of sum of two vectors is equal to the magnitude of difference of the two vectors, the angle between these vectors is

If the magnitude of difference of two unit vectors is sqrt3 , then the magnitude of sum of the two vectors is

If the magnitude of difference of two unit vectors is sqrt(3) , then the magnitude of sum of the two vectors is