किस प्राकृतिक संख्या n के लिए, संख्या 4n का अंक शून्य पर समाप्त होगा?

Which of the following best demonstrates the use of irrational numbers in constructing a proof about the density of real numbers?

Which of the following statements is true regarding real numbers and natural numbers?

The property stating that for every real number 'a', there exists a unique real number 'b' such that a + b = 0 = b + a is known as the .