alleryMathematicians write ℝ to stand for which collection of numbers?
ARational numbers
BComplex numbers
CNatural numbers
DReal numbers
Answer & Solution
Correct answer: D. Real numbers
1. Blackboard bold marks the basic number systems.
2. ℝ denotes the set of real numbers.
3. Rational numbers use ℚ and complex numbers use ℂ.
_Source: Wikipedia, Glossary of mathematical symbols, Blackboard bold_
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