Question

Prove that the magnitude of area of the parallelogram formed by the adjacent side's of the Vectors A = 3i + 2j and B = 2i - 4j is ✓224 units.
please solve it friend

Answer 1

Solve it in determinant.i will show u.
A×B= -16k i.e along z axis.now find magnitude of it.u will get root of 224.