Let a = i + j +3 k and b =3 i - j + k . If the area of the parallelogram whose adjacent sides are represented...

Question

Let a = i + j +3 k and b =3 i - j + k . If the area of the parallelogram whose adjacent sides are represented by the vectors a and b is 8 3 square units, then a b is equal to _______.

Accepted Answer

2

JEE Main 2021 Mathematics question

Solution