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We’ll find the value i-1 by using by the value of i2 = -1
Let see, how we can find the value of i-1 by using i2 = -1
Explanation:
We have to find the value of i-1.
i-1 can be expressed as 1 / i.
Now we have to multiply numerator and denominator by i, and we get
1 / i × i / i = i / i2
As we know that, i2 = -1
Substituting i2 = -1 in above equation and we get
i / i2 = i /(-1)
= -i