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Questions and Answers
Which of the following rings is a commutative ring?
Which of the following rings is a commutative ring?
- (ℤ𝑖, +,∙) (correct)
- (𝑀2 ℝ, +,∙)
- (𝑀2 ℤ, +,∙)
- (𝑀2 ℚ, +,∙)
Which of the following is an example of a non-commutative ring with identity?
Which of the following is an example of a non-commutative ring with identity?
- (𝑀2 ℝ, +,∙)
- (𝑀2 ℚ, +,∙)
- (𝑀2 ℤ, +,∙) (correct)
- (ℤ𝑖, +,∙)
Which product defines the remainder of the usual product of integers when divided in the cyclic group (ℤ𝑛 , +)?
Which product defines the remainder of the usual product of integers when divided in the cyclic group (ℤ𝑛 , +)?
- $a + b$
- $a \cdot b$ (correct)
- $a - b$
- $a^2$
Which of the following rings is an infinite ring?
Which of the following rings is an infinite ring?
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When is a ring called a finite ring?
When is a ring called a finite ring?
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What is the significance of the number 365 in the text?
What is the significance of the number 365 in the text?
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What does the text suggest about the star 'Alshar'?
What does the text suggest about the star 'Alshar'?
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What is the significance of '12' in the context of 'Alshar'?
What is the significance of '12' in the context of 'Alshar'?
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What does the text imply about the importance of 'Al-Najm Al-Sha'ary Al-Yamani'?
What does the text imply about the importance of 'Al-Najm Al-Sha'ary Al-Yamani'?
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