Question

Find the value of (icap. icap) . Jcap

Answer 1

Explanation:

$heloo... \\ (i.i)j \\ = (0)j ........(as \: i .i = 0 \: also\: cos \: of \: 0 \: is \: 0 )\\ = 0$

Answer 2

Answer:

Explanation:i^.i^ = 1

thus i^.i^.j^ = (1).j^ = j^