Question

Evaluate i^25+1/i^25


please help me​

Answer 1

Answer:

i^2 = -1 and i^5 = i

So, i^25 = (i^5)^5 = i^5 = i

Hence, i^25 + 1/i^25 = i + 1/i

=> (i^2+1)/i

=> (-1+1)/i = 0/i = 0