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फलन  का इसके ध्रुव पर परिशिष्ट क्या है?

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फ़ंक्शन में z = 0 पर बहुविध ध्रुव हैं

यदि z = a, कोटि 'm' का एक ध्रुव है, तो z = a पर f(z) का परिशिष्ट है,

z = 0 परिशिष्ट है

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