Question

Express (1-i)-(-1+i.6) in the form a +i.b​

Answer 1

Answer:

2-7i

Step-by-step explanation:

(1-i)-(-1+6i)

=1-i+1-6i

=2-7i

Answer 2

Answer:

(1-i)-(1+i6) =1-i-1 =6i = -7i

here , a=0 and b= -7

therefore the number is purely imaginary