abhijeet.26
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Homework Statement
determine the number of roots, counting multiplicities, of the equation z^7-5*z^3+12=0
in side the annulus 1<=|z|<2
Finding number of roots of a complex equation using rouche's theorem
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determine the number of roots, counting multiplicities, of the equation z^7-5*z^3+12=0
in side the annulus 1<=|z|<2
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Hi abhijeet.26! Welcome to PF!
Show us what you've tried, and where you're stuck, and then we'll know how to help.
(and see http://en.wikipedia.org/wiki/Rouche's_theorem)
Hi abhijeet.26! Welcome to PF!
Show us what you've tried, and where you're stuck, and then we'll know how to help.
(and see http://en.wikipedia.org/wiki/Rouche's_theorem)