Question: Which term of the sequence $( - 8 + 18 i ) , ( - 6 + 15 i )$ $( - 4 + 12 i )$<img src="https:/...

Question

Which term of the sequence $( - 8 + 18 i ) , ( - 6 + 15 i )$ $( - 4 + 12 i )$ is purely imaginary.

Answer 1

Given sequence is

Hence $5 ^ { t h }$ term is purely imaginary.

Question: Which term of the sequence \(( - 8 + 18 i ) , ( - 6 + 15 i )\) \(( - 4 + 12 i )\)<img src="https:/...