Which of the following is a true statement ?
(a) The sum of two irrational numbers is an irrational number.
(b) The product of two irrational numbers is an irrational number.
(c) Every real number is always rational.
(d) Every real number is either rational or irrational.
State whether the following statements are true or false. Justify your answers.
(i) Every irrational number is a real number.
(ii) Every point on the number line is of the form √m, where ′m′ is a natural number.
(iii) Every real number is an irrational number.
Every Real number is either a Rational number or Irrational Number.
State, in each case, whether the given statement is true or false.
(i) The sum of two rational numbers is rational.
(ii) The sum of two irrational numbers is irrational.
(iii) The product of two rational numbers is rational.
(iv) The product of two irrational numbers is irrational.
(v) The sum of a rational number and an irrational number is irrational.
(vi) The product of a nonzero rational number and an irrational number is a rational number.
(vii) Every real number is rational.
(viii) Every real number is either rational or irrational.
(ix) π is irrational and 227 is rational.