Question

find value of (1+i)(1-i)

Answer 1

Explanation:

We use the Identity

:

(

a

+

b

)

(

a

−

b

)

=

a

2

−

b

2

,

and

,

i

2

=

−

1

.

Hence, the given Expression

=

1

2

−

i

2

=

1

−

(

−

1

)

=

1

+

1

=

2

.

sorry answer r not straight

Answer 2

Answer:

in the form of a+b&a-b.

Step-by-step explanation:

hope it helpful to you.