Write two different vectors having same direction.

3. Write two different vectors having same dir 4. Find the values of x and y so that the vectors 27+3 and x + y) are equal. 5. Find the scalar and vector components of the vector with initial point (2, 1) and terminal point (-5,7). 6. Find the sum of the vectors a = 1-2)+k, 5=-21+4)+5k and =-63-7k. 7. Find the unit vector in the direction of the vector d=7+7+2k.