1. It+ and denote ordinary addition and multiplication, for which of the following sets F is (F,+,) a field? a) F (a-bvž| a, b€ Z} b) F - (a+ bV2 [ a, bEQ) c) F - (a + bV2+ cVÃ[a, b, eEQ}

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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1. If+ and denote ordinary addition and multiplication, for which of the following
sets F is (F, +, ) a field?
a) F- (a-bv2|a, beZ}
b) F - {a + bV2|a, bEQ)
c) F (a+bv2+cVAa, b, e EQ}
Transcribed Image Text:1. If+ and denote ordinary addition and multiplication, for which of the following sets F is (F, +, ) a field? a) F- (a-bv2|a, beZ} b) F - {a + bV2|a, bEQ) c) F (a+bv2+cVAa, b, e EQ}
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