Let a = `2hat(i) - 3hat(j) + 4hat(k), b = hat(i) + 2hat(j) - 2hat(k)` and `c = 3hat(i) - hat(j) + hat(k)` . The valume (in cubic units of the parallelopiped having a + b + c, a - b + c and a + b -c as coterminus edges is

Options

A. 6
B. 7
C. 28
D. 36

Answer

C