Question

ii) (1+i)(1-1)find the value of a&b of ¢number​

Answer 1

solution

$(1 + i)(1 - i) \\ = 1 {}^{2} - i {}^{2} \\ = 1 + 1 \\ = 2 \\ = 2 + 0.i$

comparing it with=a+bi

a=2

b=0

Answer 2

Step-by-step explanation:

• (1+i)(1−i)

=1+1

=2

=2+0.i

• Comparing it with=a+bi

a=2

b=0