Question

The area of the paralleogram represented by the vectors `vec(A)= 2hat(i)+3hat(j)` and `vec(B)= hat(i)+4hat(j)` is
A. 14 units
B. 7.5 unit
C. 10 unit
D. 5 unit

Answer 1

Correct Answer - D
`|vec(A)xxvec(B)|= |(2hat(i)+3hat(j))xx(hat(i)+4hat(j))|=|5hat(k)|= 5 units`