Question

plz solve fast

and give me thank on my previous questions

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Answer 1

Answer:

-2015i

Step-by-step explanation:

Wkt

i^4m+1 will always be i and as i^4m is 1 so if we subs natural numbers then 1/i^5 +1/i^9 all will be

1/i 2015 times as summation value is there 1/i is -i so -2015i