True/False: If false, give a counter example. A). All sub rings of a field F are

ID: 3402020 • Letter: T

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True/False: If false, give a counter example.
A). All sub rings of a field F are subfields of F.

B). If f(x) is irreducible over a field F, and k€ F -{0}, then the polynomial kf(x) is irreducible over F. True/False: If false, give a counter example.
A). All sub rings of a field F are subfields of F.

B). If f(x) is irreducible over a field F, and k€ F -{0}, then the polynomial kf(x) is irreducible over F.
A). All sub rings of a field F are subfields of F.

B). If f(x) is irreducible over a field F, and k€ F -{0}, then the polynomial kf(x) is irreducible over F.

Explanation / Answer

A) true

B) true

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True/False: If false, give a counter example. A). All sub rings of a field F are

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