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If z is a complex number such that zbarz...

If z is a complex number such that `zbarz = 1` and amp `frac{z}{bar z}= frac{pi}{2}` then z= ________.

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A DAS GUPTA-Miscellaneous Exercises-Exercise
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  6. lim(n to ∞) frac{a^n}{n!} is equal to .

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  16. let f(x) be the polynomial function. It satisfies the equation 2 +f(x)...

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