Give three pairs of prime numbers whose difference is 2.
[Remark: Two prime numbers whose difference is 2 are called twin primes].
Question 7
Give three pairs of prime numbers whose difference is 2. [Remark: Two prime numbers whose difference is 2 are called twin primes.]
Write a pair of irrational numbers whose difference is rational.
Write a pair of irrational numbers whose difference is irrational.