SOLUTION: what is the reciprocal of 2i

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Question 447454: what is the reciprocal of 2i
Found 2 solutions by Leaf W., stanbon:
Answer by Leaf W.(135) About Me  (Show Source):
You can put this solution on YOUR website!
The reciprocal of a number n is 1%2Fn, or the reciprocal of a number x%2Fy is y%2Fx--basically, it is the number flipped (its opposite); when the number and its reciprocal are multiplied they result in 1.
Therefore, the reciprocal of 2i is 1%2F%282i%29

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
what is the reciprocal of 2i
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Ans: 1/(2i)
Multiply numerator and denomiator by (-2i) to get:
= -2i/(4) = -i/2
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Cheers,
Stan H.