If `vec(a) is a vector and x is a non-zero scalar, then

If vec(a) is a non-zero vector and m is a non-zero scalar, then m vec(a) is a unit vector if

If veca is a non-zero vector of modulus a and m is a non-zero scalar, then ma is a unit vector if

If veca is a non-zero vector of modulus a and m is a non-zero scalar, then mveca is a unit vector if

If veca is a non-zero vector of modulus |veca| and m is a non-zero scalar, then m veca is a unit vector if -

If overline(a) is a non-zero vector of modulus a and m is non-zero scalar, then moverline(a) is a unit vector, if

If veca is non-zero vector and k is a scalar such that k veca =1, then k is :

If overline(a) is a non-zero vector and k is a scalar such that |koverline(a)|=1, then k=

If vec a is a non-zero vector of magnitude ‘a’ and λ a non-zero scalar, then λ vec a is unit vector if a = |λ|