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Grade: 12
        
Please help and thank you. I am not sure what least integral value means in this question.
one month ago

Answers : (1)

Aditya Gupta
1673 Points
							
least integral value means the smallest value of m which is also an integer.
in our case, we can write [(1+i)/(1 – i)]^m= 1
or [(1+i)^2/(1 – i)(1+i)]^m= 1
or (2i/2)^m= 1
or i^m= 1
now, least integral value of m can be as less as we want, so question is wrong. the correct question should be to find the least positive integral value of m, which will obviously be m= 4
kindly approve :)
one month ago
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