Question
Download Solution PDFगुणनात्मक समूह {1, -1, i, -i} एक चक्रीय समूह है, इसके जनक क्या हैं?
This question was previously asked in
UP TGT Mathematics 2021 Official Paper
Answer (Detailed Solution Below)
Option 3 : i और -i
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UP TGT Hindi FT 1
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Detailed Solution
Download Solution PDFदिया गया:
G = {1, -1, i, -i} कोटि 4 का एक चक्रीय समूह है।
⇒ o(a) = o(G)
स्पष्ट रूप से;
⇒ i = i, i2 = -1, i3 = -i, i4 = 1
यहाँ G का सर्वसमिका तत्व e, 1 है।
इस प्रकार किसी भी r < 1 के लिए i4 = 1 अर्थात ir ≠ 1
यह → o(i) = 4 = o(G)
⇒ i, G का जनक है।
Last updated on May 6, 2025
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