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CBSE Class 11-commerce Answered

i am not able to understand multiplicative inverse in complex no. pls explain me with suitable example
Asked by deepakagarwal1024 | 21 Jun, 2018, 07:01: PM
answered-by-expert Expert Answer
begin mathsize 16px style straight A space multiplicative space inverse space is space straight a space number space that space when space multiplied space by space the space given space number space gives space 1.
For space example space colon space 8 space cross times 1 over 8 equals space 1
multiplicative space inverse space of space 8 space is space 1 over 8 and space multiplicative space inverse space of space 1 over 8 space is space 8.
In space complex space number space colon
Example colon space 6 space plus space 4 straight i space is space straight a space complex space number.
space 6 space plus space 4 straight i space cross times fraction numerator 1 over denominator space 6 space plus space 4 straight i space end fraction space equals space 1
multiplicative space inverse space of space space 6 space plus space 4 straight i space is space fraction numerator 1 over denominator space 6 space plus space 4 straight i space end fraction. end style
Answered by Yasmeen Khan | 21 Jun, 2018, 07:36: PM

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