Find the multiplicative inverse (reciprocal) orve inverse (reciprocal) – InterviewSolution

1.

Find the multiplicative inverse (reciprocal) orve inverse (reciprocal) of the followingT-

Answer»

Let multiplicative inverse of(7 + root(7)i) be x

Then,(7 + root(7)i)*x = 1x = 1/(7 + root(7)i)x = (7 - root(7)i)/(49 + 7)x = (7 - root(7)i)/56x = 1/8 - root(7)/56 i

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