Diven Of = [1, 2] and OB = [3, 2] determine the length of the vector OA + OB . O a) 32 O b) 21/ 2 O C) 4 7 / 2 O d) $5The plane is moving with speed of 200km/hour encounters the wind perpendicular to its course. Find the resultant velocity of the plane. O a) 15.81 km/hour b) 42 500 km/hour O c) 206.16 km/hour O d) 250 km/hour