Which of the following statements is INCORRECT?
AThere can be a real number which is both rational and irrational.
BThe sum of any two irrational numbers is not always irrational.
CFor any positive integers x and y, x < y ⇒ x2 < y2
DEvery integer is a rational number.
GIVE AN EXAMPLE OF THE SUM OF ANY TWO IRRATIONAL NUMBERS IS NOT ALWAYS IRRATIONAL