Question

The inverse of -i in the multiplicative group, (1.-1. i.-i}is
a)
1
b)
-1
c)
i
d)
-i​

Answer 1

Answer:

None of these.

Step-by-step explanation:

Multiplicative inverse of a number is the reciprocal of the number.

So, reciprocal of -i is 1/-i = -1/i .

Thanks, have a great day ahead !