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sir agar z ko simplify karke conjugate find kare to ans kyun nahi aa rha, kya galat hoga sir
Asked by itsnks2003 | 27 Jun, 2021, 05:56: PM
Expert Answer
Given: straight z equals fraction numerator 4 over denominator 1 plus straight i end fraction
straight z equals fraction numerator 4 over denominator 1 plus straight i end fraction cross times fraction numerator 1 minus straight i over denominator 1 minus straight i end fraction equals fraction numerator 4 open parentheses 1 minus straight i close parentheses over denominator 1 plus 1 end fraction equals 2 open parentheses 1 minus straight i close parentheses
rightwards double arrow top enclose straight z equals 2 open parentheses 1 minus straight i close parentheses equals 2 open parentheses 1 minus straight i close parentheses cross times fraction numerator 1 plus straight i over denominator 1 plus straight i end fraction equals fraction numerator 2 open parentheses 1 plus 1 close parentheses over denominator 1 plus straight i end fraction equals fraction numerator 4 over denominator 4 plus straight i end fraction
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