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Relations and Functions

Relations and Functions

Question
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Find the multiplicative inverse of the following complex numbers :

space space space space space space space space space space space 4 minus square root of negative 9 end root

Answer
space space space space space space space space space space 4 minus square root of negative 9 end root = 4 - 3i
Multiplicative inverse of
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Hence, multiplicative inverse of space space space space space 4 minus square root of negative 9 end root equals 4 over 25 plus fraction numerator 3 straight i over denominator 25 end fraction

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