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If arg (a/b) = pi/2, then find the value of ((a+b)/(a-b)) where a,b are complex numbers.
Ans) Arg (a/b) =Pi/2
Tan-1 (a/b)= Pi/2
A/B = tanP/2 ,therefore a/b=infinity.
Or b=0
As per your question a+b/a-b= 1
As a and b are complex numbers the answer is "i"
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