What is the value of this term and why?

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What is ej∞?
 
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salil87 said:
What is ej∞?

Well, e^(ix) = cos(x) + i sin(x). Neither of these functions converge to a point as x-->∞. So neither the real part nor the imaginary part of e^(i∞) converges to anything. So e^(i∞) has no value.