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CBSE Class 11-commerce Answered

Let z and y be two complex no  then how can we divide them  
Asked by deepakagarwal1024 | 21 Jun, 2018, 07:00: PM
answered-by-expert Expert Answer
To divide complex numbers we use the concept of complex conjugate number.
For example,
2 - i and 2 + i are complex conjugate of each other.
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space space space space space space space space space space space space equals space fraction numerator 4 space minus 4 straight i space plus space straight i squared over denominator 4 space minus space straight i squared end fraction
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space space space space space space space space space space space space space equals space fraction numerator 3 space minus space 4 straight i over denominator 5 end fraction
space space space space space space space space space space space space space space equals space 3 over 5 minus fraction numerator 4 straight i over denominator 5 end fraction space end style
Answered by Sneha shidid | 22 Jun, 2018, 09:27: AM

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