Question

Q.9 Find the value of i^(-39).​

Answer 1

Step-by-step explanation:

We know that:

i4=1

so that in general:

i4k=(i4)k=1 for any k∈Z

Now:

i−39=i−40+1=i−40i=(i4)−10i=i

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Answer 2

Answer:

this is the answer

i−39=i−40+1=i−40i=(i4)−10i=i

Step-by-step explanation:

We know that:

i 4 = 1

so that in general:

i 4 k = ( i 4 ) k = 1 for any k ∈ Z

Now:

i − 39 = i − 40 + 1 = i − 40 i = ( i 4 ) − 10 i = i