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Find the multiplicative inverse of the complex number. –i

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Question

Find the multiplicative inverse of the complex number.

–i 

Sum
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Solution

multiplicative inverse of -i

= `1/i = 1/(-i) xx i/i = - i/i^2 = - i/(-1) = i`

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Chapter 4: Complex Numbers and Quadratic Equations - EXERCISE 4.1 [Page 83]

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NCERT Mathematics [English] Class 11
Chapter 4 Complex Numbers and Quadratic Equations
EXERCISE 4.1 | Q 13. | Page 83

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