Question

Write the multiplicative inverse of $( 2/3 )^{-2}$

Answer 1

Answer:

Given imaginary number is

a=

2

3

−

2

1

i

multiplicative inverse(b) of a number(a) is defined by

a×b=1

or b=

a

1

hence,

b=

2

3

−

2

1

i

1

or

b=

3

−i

2

multiply and divide above equation by (

3

+i)