Vector v has a direction of (5, 3). Find the unit vector, u, in the direction of v. O A. 5 34 3134 4 4 O B. 10 2 612 1 = 8 8 O C. 2 2 O D. 5 134 3134 1 = 34 34Vector v has an initial point (5,3) and a terminal point (10,-8). Write vector v as a linear combination of the standard unit vectors i and j. O A. v=-15i+5j O B. v=-5i+1 1j O C. v=5-11j O D. v= 15i-5jFind u -2v given that u = (-2,5) and v =6i-4j. O A. u-2v=-14i+13j O B. u-2v=-101+13j O C. u-2v=4i+j O D. u-2v=10i -3j