This questions from MATLAB COURSE .

B. Consider the following equation mm2 V=9 72 where g is a constant, m1, m2, and r are row vectors of size 1 by k 1. The correct way to calculate the array Vin matlab is: V = 2. The size of Vis : 1 3. Ifg, m4, m2, and rare scalar numbers then the correct way to calculate V in matlab is: V= 4. Ifg, m, m2, and rare scalar numbers then the class of V is char, string, or double V =