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If ((1+i)/(1-i))^m = 1 then find the lea...

If `((1+i)/(1-i))^m = 1` then find the least integral value of m

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The smallest value.of mis 4 because .(i)^(2)=-1,i^(3)=-(i). and .(i)^(4)=1.
.therefore m=4.
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V PUBLICATION-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-QUESTION BANK
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