Question

Which term of the sequence 8 -6i , 7 – 4i , 6 – 2i, ………..is a

real number

a) 7 b) 6 c) 5 d) 4​

Answer 1

Common difference is -1 + 2i
So after third term if you add this you will get 5
That means fourth term is 5, which is a real number. So 4 is the ans

Answer 2

Answer:

(d) 4, I hope it helps you