Question

1.
There are two vectors Ā= 3ỉ + and B= i + 2k. For these two vectors -
(a) If A & B are the adjacent sides of a parallalogram then find the magnitude of its area.​

Answer 1

Ans--6 square units.

area of parallogram =A×B

=(3i) ×(i+2k)

=(3i×i+3i×2k)

= 0+6{3i×i=0}

=6

hope it helps